WO2005001552A1 - 眼鏡レンズの製造方法、マーキング装置、マーキングシステム、眼鏡レンズ - Google Patents
眼鏡レンズの製造方法、マーキング装置、マーキングシステム、眼鏡レンズ Download PDFInfo
- Publication number
- WO2005001552A1 WO2005001552A1 PCT/JP2004/009473 JP2004009473W WO2005001552A1 WO 2005001552 A1 WO2005001552 A1 WO 2005001552A1 JP 2004009473 W JP2004009473 W JP 2004009473W WO 2005001552 A1 WO2005001552 A1 WO 2005001552A1
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- WO
- WIPO (PCT)
- Prior art keywords
- spectacle lens
- mark
- marking
- unit
- lens
- Prior art date
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
- B23K26/042—Automatically aligning the laser beam
- B23K26/043—Automatically aligning the laser beam along the beam path, i.e. alignment of laser beam axis relative to laser beam apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/18—Working by laser beam, e.g. welding, cutting or boring using absorbing layers on the workpiece, e.g. for marking or protecting purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00317—Production of lenses with markings or patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00951—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/021—Lenses; Lens systems ; Methods of designing lenses with pattern for identification or with cosmetic or therapeutic effects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/007—Marks, e.g. trade marks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/262—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used recording or marking of inorganic surfaces or materials, e.g. glass, metal, or ceramics
Definitions
- the present invention relates to a method for manufacturing an eyeglass lens, a marking device, a marking system, and an ophthalmic lens.
- a spectacle lens is provided with a mark indicating the product name and manufacturer, a mark used as a reference when framing the spectacle frame, and a mark for identifying the product in the manufacturing process.
- the mark used to identify the manufacturer is used not only for identification but also as a mark that guarantees the quality of the product by the manufacturer.
- marks are engraved using a needle (diapen) made of a hard material such as diamond, as shown in JP-A-2000-1503698 (pages 1 to 3).
- a needle diapen
- JP-A-2000-1503698 pages 1 to 3
- Marking is performed by forming a mark by focusing laser light on the inside or surface of the lens.
- the marking may damage the hard coat film and the anti-reflective film, or so-called film peeling.
- the mark indicating the product name, the manufacturer, and the mark used as a reference when framing the spectacle frame remain on the spectacle lens surface after the framing.
- the mark finally formed on the part to be framed in the spectacle frame is required to have an appearance that does not obstruct the view and to be visible under certain conditions.
- a first object of the present invention is that, unlike a conventional mark, it can be easily observed as necessary without obstructing the field of view of a wearer, and also damages a hard coat film or an antireflection film.
- An object of the present invention is to provide a method of manufacturing a spectacle lens capable of forming a mark without any problem, a marking device, and a spectacle lens having the mark formed thereon.
- it is necessary to accurately mark the eyeglass wearer at a position that does not obstruct the field of view of the eyeglass wearer or at a position desired by the eyeglass wearer. .
- a second object of the present invention is to provide a method for manufacturing a spectacle lens, a spectacle lens, and a marking system capable of accurately forming a mark at a desired position inside a spectacle lens.
- the present invention focuses the pulsed laser light inside the spectacle lens to generate a deteriorated portion inside the spectacle lens, and relatively moves the condensing position and the spectacle lens to form a desired mark.
- forming the mark in a direction substantially parallel to the optical axis direction of the spectacle lens means forming the mark so that the front surface of the mark is substantially parallel to the optical axis of the spectacle lens.
- the spectacle lens surface is not affected at all. Therefore, peeling of the hard coat film and the antireflection film can be prevented.
- the mark substantially parallel to the optical axis direction of the spectacle lens, that is, in a direction parallel to the thickness direction of the spectacle lens, a state in which the spectacle lens is framed and used in the spectacle frame, In other words, with the wearer wearing glasses, the line of sight of the wearer and the mark are substantially parallel. As a result, the mark cannot be visually recognized by the wearer wearing the glasses, but it is possible to easily recognize the mark by removing the glasses and observing from an oblique direction.
- the method for manufacturing a spectacle lens of the present invention is a method for manufacturing a spectacle lens in which a mark is formed by condensing a laser beam inside the spectacle lens, wherein the mark position information and the mark shape of the mark are provided.
- An information obtaining step of obtaining mark information including information; aligning at least a plane position of an optical reference position of the spectacle lens with a reference position of a marking device provided with a laser light output unit to determine the position of the spectacle lens And a positioning step of determining and positioning a relative position between the spectacle lens and a condensing position of laser light from a laser light output unit of a marking device based on the marking position information of the mark. And a marking step of irradiating a laser beam from the laser beam output section to form a mark.
- the mark formed on the spectacle lens of the present invention is not limited to a mark indicating a product name and a manufacturing capability, a mark for identifying a product in a manufacturing process, and the like, for example, a mark such as a pattern. You may.
- the marking position information indicates the distance from the origin with respect to the optical reference position of the spectacle lens as an origin.
- the positioning step of the present invention positioning is performed based on the optical reference position of the spectacle lens, and the reference position of the marking device (the position that is the coordinate origin of the marking device) is made to coincide with the optical reference position of the spectacle lens. ing. Since the optical reference position is the origin position of the marking position information of the mark, by making at least the planar position of this optical reference position and the reference position of the marking device, which is the coordinate origin, coincide in the positioning process. , The relative position of at least a plane position between the laser beam output unit of the marking device and the laser beam output unit of the marking device can be accurately determined, and a mark can be accurately formed at the desired position of the eyeglass lens. bawl. Thereby, the second object of the present invention can be achieved.
- a hidden mark or a mark is formed on the spectacle lens.
- an irradiating unit and a projection image display unit are disposed to face each other with a spectacle lens interposed therebetween, and the spectacle lens is irradiated with illumination light by an irradiating unit, and the projection image display unit is projected onto the projection image display unit.
- the optical reference of the spectacle lens at the flat surface position is obtained.
- the position matches the reference position of the marking device.
- a height dimension of a predetermined point on the surface of the spectacle lens corresponding to a portion where the mark is formed from the reference position is grasped, and based on the height dimension, It is preferable to calculate a height position at which a mark is formed, and to determine a relative position between the eyeglass lens in the height direction and a condensing position of laser light from a laser light output unit of the marking device.
- the height direction is a direction substantially parallel to the optical axis of the spectacle lens.
- the positioning step is performed as follows.
- the plane position where the mark is formed is grasped, and predetermined points (plural) on the surface of the spectacle lens corresponding to the part where the mark is formed are measured. Then, a height dimension of the predetermined point with respect to the reference position is obtained.
- a height position at which a mark is formed is calculated from the height dimension of the predetermined point.
- the marking position information includes information that a mark is formed at a position 0.5 mm from the surface of the spectacle lens, at each predetermined point, the spectacle lens 0.5 mm from the surface of the spectacle lens.
- the marking position information is captured so as to form a mark inside. And determining a relative position between the spectacle lens in the height direction and a condensing position of the laser beam based on the marking position information after the capture. Can do.
- the positioning step based on the masking position information, a predetermined point on the surface of the spectacle lens corresponding to the part where the mark is to be formed is grasped, its height is determined, and the mark is determined from this height.
- the inclination of the spectacle lens surface corresponding to the portion to be formed can be calculated.
- the height position at which the mark is formed is calculated so that marking is performed along the inclination of the eyeglass lens surface, the marking position information is corrected, and the eyeglass lens in the height direction, the laser light focusing position, and the like. Relative position can be determined.
- the height of a predetermined point on the surface of the spectacle lens corresponding to the portion where the mark is formed from the reference position is measured, and based on the height, the spectacles in the height direction are measured. Since the relative position between the lens and the condensing position of the laser beam is determined, the mark can be reliably formed inside the spectacle lens, and a mark with excellent appearance can be formed.
- the present invention preferably includes an inspection step of comparing and confirming the spectacle lens marked in the marking step and the mark information acquired in the information acquisition step.
- an inspection step is provided for confirming the mark formed on the spectacle lens by comparing the mark information with the mark information. Therefore, the mark not formed at a desired position is formed into a desired shape. It is possible to check a spectacle lens having a mark that is not formed, thereby preventing a defective product from being shipped.
- the mark is preferably colored by adjusting the laser beam.
- the mark is colored by adjusting the laser beam, the visibility and design of the mark can be improved.
- the mark is colored from white to brown by changing the laser output of the laser light in a range of 0.1 mW or more and 1 OW or less.
- the color of the mark can be changed by adjusting the output of the laser beam.
- the color can be changed continuously from white to brown, and fine marks with high fashionability can be formed based on the continuous shading.
- the mark is formed within the target lens shape range of the spectacle lens.
- the mark by forming the mark in the lens-shaped range of the spectacle lens, the mark can be used, for example, as a reference when framing the mark in the spectacle frame.
- the pulse width of the pulse laser beam is in a femtosecond range.
- the laser light in the femtosecond region has a high energy per unit time and has little heat influence on the surroundings, the laser light is applied to a minute region inside the irradiated spectacle lens. It is possible to collect light. Therefore, it is possible to write a large amount of information in a predetermined area. In the past, it was difficult to include detailed information in the mark.For example, it was difficult to include in the mark a symbol that identifies information such as the type of hard coat film or antireflection film. By using laser light, it is possible to include in the mark a symbol for determining information such as the type of the hard coat film and the type of the antireflection film.
- An eyeglass lens marking apparatus is a spectacle lens marking apparatus for forming a mark on a part of an eyeglass lens, comprising: a holding section for holding the eyeglass lens; and a laser light output section for emitting a pulse laser beam.
- a moving unit that relatively moves the light collecting position of the pulse laser light with the holding unit; and a control unit that controls the movement of the moving unit and the output of the laser light emitted from the laser light output unit. It is characterized by the following.
- Such a marking device can be used in the above-described method for manufacturing an eyeglass lens.
- control unit includes an information obtaining unit that obtains information on spectacle lenses.
- the control unit is provided with the information acquisition unit, the information such as the spectacle prescription, the lens shape, and the lens thickness of the spectacle lens can be obtained. Even if the lens is shaped into a spectacle frame shape, it is possible to form a mark in advance at a position remaining in the spectacle frame.
- the pulse width of the pulse laser beam is in a femtosecond range.
- the marking system of the present invention is a marking system for forming a mark inside the spectacle lens by condensing the laser light inside the spectacle lens, and condensing the laser light inside the spectacle lens,
- a laser light source that outputs light, a holding unit that holds an eyeglass lens, and a relative movement of the eyeglass lens held by the holding unit and the laser beam condensing position based on marking position information of the mark.
- the marking device and the positioning device may be separate bodies, or may be configured integrally. That is, the positioning device may directly match the optical reference position of the spectacle lens with the reference position of the marking device, or may indirectly match the reference position of the marking device. For example, by using a positioning device, a spectacle lens is attached to a predetermined position of the holding unit removed from the marking device, and then the holding unit is fixed to the marking device. It may be such that the optical reference position of the lens matches.
- Such a marking system of the present invention is for implementing the above-described method for manufacturing a spectacle lens.
- the marking system includes the positioning device for matching at least the planar position between the reference position of the marking device and the optical standardization position of the spectacle lens.
- the plane position between the reference position of the device and the optical reference position of the spectacle lens can be accurately matched.
- the optical reference position is the origin position of the marking position information of the mark formed inside the spectacle lens
- the reference position of the marking device is a position that is the coordinate origin of the marking device.
- the positioning device includes: an irradiating unit that irradiates the spectacle lens with irradiation light; and a projection image display unit that displays a projection image of the spectacle lens.
- an irradiating unit that irradiates the spectacle lens with irradiation light
- a projection image display unit that displays a projection image of the spectacle lens.
- the eyeglass lens when the eyeglass lens is arranged by aligning a hidden mark or a marking point formed in advance on the eyeglasses' lens with the alignment mark of the projection image display unit, the eyeglasses which are placed in a planar position
- the optical reference position of the lens matches the reference position of the marking device. Thereby, at least the optical reference position in the plane position and the reference position of the marking device can be accurately matched.
- the control unit of the marking device grasps a height dimension of a predetermined point on the surface of the spectacle lens corresponding to a portion where the mark is formed from a reference position of the marking device, and Calculating a height position at which the mark is formed, and determining a relative position between the eyeglass lens in the height direction and a condensing position of the laser beam, based on the calculation result obtained by the calculation means. It is preferable to include a moving unit control means for controlling the driving of the moving unit based on the information.
- the control unit of the marking device measures a height dimension of a predetermined point on the surface of the spectacle lens corresponding to the part where the mark is formed from a reference position, and based on the height dimension, A spectacle lens in the vertical direction, a calculating means for determining a relative position with respect to the laser focusing position, and a moving section control means for controlling the driving of the moving section based on the calculation result of the calculating means. Therefore, the mark can be surely formed on the spectacle lens ⁇ , and a mark with excellent appearance can be formed.
- the marking device comprises: a plurality of marking units; An optical system for guiding a light beam from the laser light source to each marking unit, wherein the marking unit includes: a holding unit that holds a spectacle lens; a spectacle lens held by the holding unit; and a focusing position of the laser light. It is preferable to include a moving unit for relatively moving and positioning.
- the laser light emitted from the laser light source is introduced into a plurality of marking units for forming marks on the spectacle lens. There is no need to provide a laser light source. Therefore, the cost of the marking device can be reduced.
- the marking device has a plurality of marking buttes, it is possible to simultaneously form marks on a plurality of spectacle lenses, and it is possible to increase the manufacturing efficiency of the spectacle lenses.
- an eyeglass lens according to the present invention is manufactured by any one of the above-described methods for manufacturing an eyeglass lens.
- Such a spectacle lens of the present invention can prevent the hard coat film and the antireflection film from peeling off.
- the spectacle lens has a mark with high visibility without obstructing the wearer's field of view. Further, the spectacle lens has a mark accurately formed at a desired position.
- FIG. 1 is a conceptual diagram of a marking device according to a first embodiment of the present invention
- FIG. 1A is a side view of the marking device
- FIG. 1B is a plan view of the marking device.
- Fig. 2 shows an example of a spectacle lens on which marks are formed.
- Fig. 2A is a cross-sectional view of the spectacle lens when viewed from a direction perpendicular to the refractive surface.
- Fig. 2B is a spectacle lens.
- FIG. 1 is a conceptual diagram of a marking device according to a first embodiment of the present invention
- FIG. 1A is a side view of the marking device
- FIG. 1B is a plan view of the marking device.
- Fig. 2 shows an example of a spectacle lens on which marks are formed.
- Fig. 2A is a cross-sectional view of the spectacle lens when viewed from a direction perpendicular to the refractive surface.
- Fig. 2B is a spectacle lens.
- FIG. 3 is a perspective view showing an eyeglass lens according to the second embodiment of the present invention.
- FIG. 4 is a flowchart showing a manufacturing process of an eyeglass lens.
- FIG. 5 is a schematic diagram showing a marking device
- FIG. 5A is a side view of the marking device
- FIG. 5B is a plan view of the marking device.
- FIG. 6 is a diagram showing a main part of the marking device.
- FIG. 7 is a plan view showing a spectacle lens.
- FIG. 8 is a schematic diagram showing a positioning device.
- Fig. 9 is a schematic diagram of projecting the positions of the hidden mark and the alignment mark
- Fig. 9A shows the state where the hidden mark and the alignment mark are not aligned
- Fig. 9B shows the position of the false mark and the alignment mark.
- FIG. 4 is a diagram showing a state where marks are aligned.
- FIG. 10 is a schematic diagram showing a state where the height position of the spectacle lens is measured.
- FIG. 11 is a schematic diagram showing marks formed inside the spectacle lens.
- FIG. 12 is a plan view showing a spectacle lens according to the third embodiment of the present invention.
- FIG. 13 is a sectional view showing the spectacle lens.
- FIG. 14 is a plan view showing a marking device according to the third embodiment.
- FIG. 15 is a side view of the marking device.
- FIG. 16 is a side view showing a marking unit of the marking device.
- FIG. 17 is a plan view showing a marking unit of the marking device.
- FIG. 18 is a schematic diagram showing a positional relationship on the XY plane of a reference position, a position measuring unit, and a condensing position of laser light in the marking unit.
- FIG. 19 is a block diagram showing a control unit of the marking device.
- FIG. 20 is a side view showing the spectacle lens held by the holding unit of the marking device.
- FIG. 21 is a conceptual diagram illustrating a marking device that relatively moves the holding unit and the laser light focusing position by moving the laser light focusing position.
- FIG. 22 is a conceptual diagram illustrating a marking device provided with a laser sensor as a measuring unit for measuring the position of the surface of the spectacle lens.
- FIG. 23 is a conceptual diagram when measuring a spectacle lens with a laser sensor as a measuring unit. '
- FIG. 24 is a conceptual diagram when measuring the surface of the spectacle lens corresponding to a portion where a mark is formed by the laser sensor.
- FIG. 2'5 is a view showing a modified example of the marking device of the present invention.
- FIG. 26 is a diagram showing another modification of the marking device of the present invention
- FIG. 26A is a side view of the marking device
- FIG. 26B is a plan view of the marking device.
- FIG. 27 is a modified example corresponding to the third embodiment, and is a diagram showing a three-dimensional shape of an eyeglass lens. '
- FIG. 28 is a modified example corresponding to the third embodiment, and is a conceptual diagram showing how marks are formed at the same distance from the convex and concave surfaces of the spectacle lens.
- FIG. 1 is a schematic configuration diagram showing one embodiment of a marking device 1 for an eyeglass lens L1 of the present invention.
- the marking device 1 forms a mark 1 OA (see FIG. 2 ) by condensing a laser beam inside the spectacle lens L 1 to generate a deteriorated portion inside the spectacle lens L 1.
- the marking device 1 includes a holding unit 11 that holds the spectacle lens L1 and a stage that is a moving unit that can move the holding unit 11 that holds the spectacle lens L1.
- laser output unit 13 for emitting laser light
- control unit 14 for controlling the laser light
- the holding portion 11 is configured to fix and hold the portion in contact with the concave surface L12 side of the spectacle lens L1 by applying a vacuum.
- the holding portion 11 has a suction cup 11 for sucking the concave surface L 12 of the spectacle lens L 1, and a vacuum path communicating with the suction cup 111 to vacuum the suction cup 111. And a cylindrical portion 1 12 provided.
- the stage 12 moves along the X-axis and the Y-axis in the horizontal direction with respect to the reference surface under the control of the control unit 14. Axis and a Z-axis that moves vertically to the reference plane.
- the holding section 1 ⁇ holding the spectacle lens L 1 can be moved.
- the moving speed of the stage 12 is controlled by a signal from the control unit 14, and the movement of the stage 12 keeps the laser beam focused on the focused position.
- the holding portion 11 and the spectacle lens L1 held by the holding portion 11 move relatively.
- the laser beam output unit 13 is a laser beam that can obtain the desired wavelength, output, pulse width, and number of repetitions, and a neutral density (ND) filter 13 that attenuates the output laser beam.
- a shutter 133 for blocking laser light and a lens 134 for focusing laser light at a desired position are provided.
- the laser light source 131 uses a mode-locked titanium sapphire laser to output so-called femtosecond laser light with a wavelength of 800 nm, a maximum output of 1 W, a pulse width of 100 fs, and a repetition rate of 1 kHz. ing.
- the ND filter 132 is for adjusting the output of the laser beam.
- the output of the laser light can be continuously varied.
- the ND filter 132 it is possible to irradiate the ophthalmic lens L1 with laser light in a range of 1 mW or more and 10 O mW or less.
- the laser light emitted from the laser light source 131 is attenuated to, for example, 5 mW and emitted by the ND filter 132.
- the shutter 133 is opened and closed based on a command from the control unit 14, and can block the laser light oscillated by the laser light source 131 at an arbitrary timing.
- the control unit 14 sends to the laser beam output unit 13 signals such as the amount of movement of the stage 12 necessary for forming a desired mark shape and the timing of opening and closing the shutter 13.
- the control unit 14 includes a control unit main body 141 and a storage unit 142.
- the storage section 142 stores the position information and shape information of the mark 1 OA, the laser beam condensing position (XYZ direction) required to form the mark 1 OA, and the opening and closing of the shirt 13 Data such as timing, laser beam intensity, movement amount of stage 12, movement speed, movement direction, three-dimensional profile such as curvature and thickness of refracting surface of the spectacle lens L 1, and lens shape are stored. .
- the control unit body 1.41 includes an information acquisition unit 141A.
- the information acquisition unit 141A stores the data corresponding to the model number of the spectacle lens input to the control unit 14. 4 Obtain from 2.
- the data corresponding to this model number includes the position information and shape information of the mark 1 OA, as well as the target lens shape. Then, it is determined whether or not the mark 1OA can be formed in the target shape by comparing the target shape with the target shape. If the mark 1 OA can be formed in the target lens shape, control the laser beam output, control the position of the holding unit 11, control the moving speed of the stage 12, etc., and form the mark 1 OA. . '
- the spectacle lens L1 is manufactured according to the following procedure. First, a raw material monomer composed of a urethane compound or the like is filled into a cavity combined with a mold, heated and polymerized to produce a so-called semi-finished lens without surface treatment. Next, a hard coat film for improving scratch resistance and an antireflection film for improving optical characteristics are formed on the semi-finished lens. Thus, the spectacle lens L1 is manufactured. As shown in FIG. 2, the spectacle lens L1 has a meniscus shape, and the surface of the spectacle lens on the side where the refractive surface is convex (hereinafter, referred to as a convex surface L11) has a radius of curvature of 60 O. mm, the radius of curvature of the concave side (hereinafter referred to as concave surface L12) is 12 O mm, and the outer diameter is 80 mm.
- a convex surface L11 the surface of the spectacle lens on the side where the refractive surface is convex
- the geometric center (optical reference position) L 0 of the spectacle lens L 1 is matched with the reference position T of the marking device 1. Specifically, the optical reference position L 0 on the XY plane and the reference position T of the marking device 1 are matched.
- the center of the suction cup 11 1 of the holding unit 11 on the XY plane coincides with the reference position T of the marking device 1. Thereafter, the concave portion L12 side of the spectacle lens L1 is held by the holding portion 11 by a vacuum suction method.
- the model number of the spectacle lens L1 is input.
- a database is stored in the storage unit 14 2 of the control unit 14, and the position information and shape information of the mark 1 OA and the laser beam condensing position (XYZ Direction), opening / closing timing of shirt 13, laser beam intensity, moving amount, moving speed, moving direction of stage 12, radius of curvature of concave surface L 1 2 and convex surface L 11 of spectacle lens L 1, spectacle lens L 1
- the geometric center of the lens (optical reference position)
- Marking is controlled by the data corresponding to the input model number.
- the character is a letter of Z, which is a 0.5 mm square alphanumeric character.
- the mark 10A is formed such that its front surface is substantially parallel to the optical axis O of the spectacle lens L1.
- the origin of origin is the geometric center LO of the spectacle lens L1
- the convex surface was set at a position of l mm downward (one direction) from the surface on the L1 side.
- the thickness of the spectacle lens L1 is 4.8 mm.
- the lens shape L 13 has a shape similar to an ellipse as shown in FIG. 2B, and the outer circumferential position L 14 in the direction of the mark 10 A is located on the X-axis left from the geometric center L 0. It is 35 mm in the direction, and the mark 1 OA remains in the target after the target is processed. '
- the information acquisition unit 14 1 A of the control unit 14 determines that the mark 1 OA can be formed in the target lens shape, and the control unit main unit 14 1 controls the output of the laser beam and the holding unit 1 1 1 Control of the position of the stage, control of the moving speed of the stage 12 and the like.
- the shirt 13 is closed so that laser light is not emitted, and the laser light condensing position is on the reference position T of the marking device 1. Specifically, the stage 12 is moved 3 Omm to the left (one direction) on the X axis. By doing so, the focusing position of the laser beam comes to the marking start position 1 OA 1.
- the shirt 133 is opened, and the eyeglass lens L1 is irradiated with the laser beam, and at the same time, the stage 12 is moved by 0.5 mm in the X-axis left direction (one direction) at a moving speed of 1 mm / "sec. In the same way, move 0.25 mm downward (one direction) on the Z axis, 0.5 mm rightward (+ direction) on the X axis, 0.25 mm downward (one direction) on the Z axis, and left direction on the X axis. (In one direction) in the order of 0.5 mm, and at the same time the focusing position of the laser beam reaches the marking end position 1 OA 2, closes the shirt 133.
- the mark 1 OA is formed inside the spectacle lens L 1 by the pulse laser light emitted from the marking device 1, so that the laser light is not focused on the surface of the spectacle lens L 1 and the spectacle lens It has no adverse effect on the L1 surface. Therefore, peeling of the hard coat film and the anti-reflection film can be prevented, and a decrease in the quality of the lens G1 can be prevented.
- the spectacle lens L 1 is formed.
- the line of sight of the wearer and the mark 10A are parallel.
- the mark 1 OA cannot be seen by the wearer of the eyeglasses, By observing them, it is possible to easily recognize the mark 1 OA.
- the mark 10A does not obstruct the wearer's field of view.
- the mark 10A does not obstruct the wearer's field of view.
- the laser light source 13 1 of the marking device 1 emits laser light in the femtosecond range. Since the laser light in the femtosecond region has a high energy per unit time and has little thermal effect on the surroundings, the mark 1 OA is formed by condensing it on a small area inside the irradiated spectacle lens L1 It is possible to do. Therefore, it is possible to write a large amount of information in a predetermined area.
- the information acquisition unit 14 1 A of the control unit 14 of the marking device compares the position information and shape information of the mark 1 OA with the target shape, and sets the mark 1 in the target shape. Since it is determined whether or not OA can be formed, it is possible to form the mark 10A at a position remaining in the spectacle frame.
- the mark 1OA is formed within the lens-shaped range of the spectacle lens L1, when the spectacle lens L1 is framed in the spectacle frame, the mark 1 OA is formed.
- OA can be used as a reference.
- FIG. 3 shows a spectacle lens L2 having a mark 10B formed therein.
- the spectacle lens L2 of the present embodiment has a spherical surface or an aspheric surface on the convex surface L11 side (outer surface side).
- This is an inner progressive multifocal lens having a progressive surface on the concave surface LI 2 side (inner surface side).
- the spectacle lens L2 is made of the same material as the spectacle lens L1 of the embodiment.
- the convex surface L11 and the concave surface L12 of the spectacle lens L2 are provided with a hard coat film for improving abrasion resistance, a flicker caused by light reflection, and a ghost or the like.
- An anti-reflection film or the like is formed.
- the mark 10B has a three-dimensional structure.
- the mark 10B is a letter “EP”, which is an alphabetic character indicating the initials of the user of the spectacle lens L2.
- the mark 10B is not limited to an alphabetic character, but may be, for example, a star-shaped pattern.
- the mark 10B may be a character indicating a product name, a manufacturer, a brand name, or the like.
- Such a spectacle lens L2 is manufactured as follows. This will be described with reference to FIGS.
- the mark 1OA is formed on the spectacle lens L1 before the edging, but in the present embodiment, the mark 10B is formed on the spectacle lens L2 after the edging.
- the order data from the terminal of the retail store is acquired by the order server installed in the factory of the manufacturing company (information acquisition process, process S 1).
- the order data includes the spectacle prescription (spherical power, astigmatic power, etc.) of the spectacle lens L2, the material (refractive index) of the spectacle lens L2, the type of surface treatment (hard coat film, anti-reflection film, etc.) and the presence or absence thereof
- the lens information of the spectacle lens L2 such as the outer shape and the shape of the mark 10B (the mark shape information such as the outer shape of the mark and the thickness of the mark), the density of the mark 10B, and the mark 1OB are formed.
- Mark information such as the position to be marked (marking position information).
- processing information of the spectacle lens L2 is created based on the order data (processing S2).
- processing information for example, an unprocessed circular eyeglass lens having no optical surface formed thereon is cut and polished as necessary, and adjusted according to the eyeglass prescription of the eyeglass lens L2.
- Drive information of marking device 3 (described later) for performing marking is included.
- the eyeglass lens L2 is processed except for the marking (processing S3).
- a processing step of cutting and polishing an unprocessed circular eyeglass lens L2 having no optical surface formed thereon and processing it according to a spectacle prescription with a desired power, etc., and a dyeing step of dyeing the eyeglass lens L2 A hard coat film forming step for forming a hard coat film for improving scratch resistance on the spectacle lens L2, and an antireflection film for forming an antireflection film for preventing flicker and ghost caused by light reflection.
- a film forming step, a drainage prevention coat film forming step, and an edging step of processing the eyeglass lens L2 into the shape of an eyeglass frame are performed.
- the processing of the mark 10B on the spectacle lens L2 is performed.
- the processing of the mark 10B is performed by a marking system 8 as shown in FIGS.
- the marking system 8 includes a marking device 3 and a positioning device 2.
- the marking device 3 includes the same holding unit 11 as in the above-described embodiment, a stage 32 as a moving unit disposed below the holding unit 11, a laser light output unit 13 for emitting laser light, and a control unit 14. Is provided.
- the holding unit 11 sucks the four surfaces L12 side of the spectacle lens L1, but in the present embodiment, the holding unit 11 suctions and holds the convex surface LI1 of the eyeglass lens L2. I do.
- the convex surface L 11 of the spectacle lens L 2 When the convex surface L 11 of the spectacle lens L 2 is attracted and fixed to the holding portion 11, the convex surface L 11 of the spectacle lens L 2 is located below FIG. 5A (on the stage 32 side), and the concave surface L 12 is Fig. 5 A
- the laser beam is directed upward (toward the laser beam output section 13). Therefore, in the present embodiment, the mark 10B is formed by irradiating a laser beam from the M-side 12 side.
- the stage 32 as a moving unit drives the holding unit 11 to relatively move and position the focusing position of the spectacle lens L2 and the laser light.
- the stage 32 is provided on the Y stage 322, which moves in a substantially horizontal direction (Y-axis direction) on the base portion 320, and is provided in the substantially horizontal direction (X-axis direction).
- the holding unit 11 moves with the driving of the X stage 3 21, the Y stage 3 2 2, and the Z-axis driving mechanism 3 2 3, whereby the position of the spectacle lens L 2 is adjusted.
- the holding unit 11 is moved in three directions of the X-axis direction, the Y-axis direction, and the Z-axis direction in accordance with the driving of the X-stage 321, the Y-stage 322, and the Z-axis driving mechanism 323.
- the present invention is not limited to this.
- a mechanism may be provided on the stage to incline the holding unit with respect to the XY plane.
- the storage unit 142 of the control unit 14 stores the mark information obtained in the above-described information obtaining step and processing information based on the mark information.
- the processing information is substantially the same as in the above embodiment. Examples of the processing information include the movement amount, the movement direction, and the movement speed of the stage 32 from the reference position T (coordinate origin) of the marking device 3 (see FIG. 6). And the data such as the output intensity of the laser beam and the opening / closing timing of the shirt 133. '
- the optical reference position L0 of the spectacle lens L2 and the reference position T of the marking device 3 are aligned to position the spectacle lens L2 (positioning step, Processing S 4).
- optical center position on the convex surface L11 side of the spectacle lens L2 is defined as an optical reference position L0.
- the XY plane position of the optical reference position L O of the spectacle lens L 2 and the reference position T of the marking device 3 are aligned.
- a pair of hidden marks L 21 is formed on the spectacle lens L 2.
- the hidden mark L 21 is obtained by transferring the mark attached to the mold of the spectacle lens L 2.
- the pair of hidden marks L 21 are respectively formed at equal distances, for example, at a position of 17 mm across the optical reference position L 0 of the spectacle lens L 2. Therefore, based on the hidden mark L 21, the position of the spectacle lens L 2 is adjusted. By doing so, it is possible to make the optical reference position LO coincide with the reference position T of the marking device 3.
- a positioning device (positioning device) 2 shown in Fig. 8 is used.
- the positioning device 2 includes an irradiating unit 21 opposed to the eyeglass lens L2 and a projected image display unit 22. Further, a projection type position display section 23 is provided between the irradiation section 21 and the spectacle lens L2. The irradiating section 21 projects the illuminating light toward the eye lens L2.
- the projection type position display section 23 is provided with a pair of alignment marks 2 31.
- the projection image display unit 22 displays the image of the hidden mark L 21 of the spectacle lens L 2 illuminated by the irradiation unit 21 and the image of the alignment mark 2 3 1 of the projection position display unit 23
- the projection image display section 22 is a translucent screen, and the projection image can be taken by the camera 24 and observed on a monitor or the like.
- the illumination light is emitted toward the spectacle lens L2, and the hidden mark L21 of the spectacle lens L2 and the alignment mark 231 of the projection position display section 23 are displayed as a projected image.
- the image is projected on the unit 22, the projected image is photographed by the camera 24, and observed on a monitor (not shown).
- the hidden mark L 21 of the spectacle lens L 2 and the alignment mark 2 3 1 of the projection position display section 23 are projected on the projection image display section 22 and the projection image is taken by the camera 2 Shoot by 4 Then, as shown in FIG. 9A, when the image of the hidden mark L 21 and the image of the alignment mark 23 1 are not aligned, the X stage 3 2 1 and the Y stage 3 By driving 22, the images are aligned as shown in FIG. 9B, and the optical reference position L 0 is aligned with the center of the suction cup 111.
- the height position (the position along the Z-axis direction) of the optical reference position L 0 and the reference position T of the marking device 3 is aligned.
- the dial gauge D contacts the turning surface L12 of the spectacle lens L2. Then, measure the height position and adjust the height position.
- the height dimension from the reference position ⁇ to the optical reference position on the concave surface L12 side is measured by the dial gauge D. Since the center thickness of the spectacle lens L2 (the thickness between the optical reference position on the concave surface L12 side and the optical reference position LO on the convex surface L11 side) is known in advance, the concave surface L1 from the reference position ⁇ The value obtained by adding the center thickness to the height dimension up to the optical reference position on the second side is the height dimension from the reference position ⁇ to the optical reference position L 0. Based on this height, the optical reference position L O and the reference position ⁇ of the marking device 3 are aligned with each other.
- the laser beam from the laser light output unit 13 of the spectacle lens L2 and the marking device 3 is determined based on the marking position information of the mark 10 ⁇ .
- the position is determined by determining the relative position to the light condensing position (positioning process, process S6).
- the focusing position of the laser beam is on the reference position ⁇ .
- the stage 3 2 X stage 32 1 and the stage 32 2 are moved with respect to the reference position ⁇ ⁇ so that the mark 1 ⁇ ⁇ is formed at a predetermined position, and the position of the spectacle lens L 2 is adjusted. Make the marking start position on the ⁇ - ⁇ plane coincide with the laser beam focusing position.
- the ⁇ axis drive mechanism 3 2 3 is driven to adjust the height position (position in the ⁇ axis direction) of the concave surface L 12 of the spectacle lens L 2, and the height of the marking start position inside the spectacle lens L 2 is adjusted. And the height of the focal point of the laser beam.
- the movement amounts in the X-axis direction, the ⁇ -axis direction, and the ⁇ -axis direction as described above are obtained based on the marking position information.
- the spectacle lens L 2 has a meniscus shape
- the convex surface L 11 of the spectacle lens L 2 has a radius of curvature of 60 O mm
- the concave surface L 12 has a non-axisymmetric aspheric force S, and a general radius of curvature of 1 2 O mm, outer diameter is 8 O mm.
- the mark 1 OB is a cubic representation of the character EP, and the size per character is a cube with a side force of 0.5 mm.
- the marking start position 10 B 1 of the laser beam when forming the mark 10 B is:
- the spectacle lens L2 is attached to the marking device 3 and the optical reference position L0 on the convex surface L11 side of the spectacle lens L2 is set as a reference (origin), 30 mm in a right direction (+ direction) on the X axis. , 0.25 mm in the Y axis upward direction (+ direction) and 2.5 mm in the Z axis upward direction (+ direction). .
- the stage 32 is moved 30 mni to the left (one direction) on the X axis, 0.25 mm in the downward direction (one direction), and Z so that the laser beam focus position moves to the marking start position 10 B 1. Move 2.5mm downward (one direction).
- the shirt 133 of the laser beam output unit 13 is in a closed state.
- the laser light from the laser light source 131 may be attenuated by the ND filter 132 and may be set to 5 mW as in the above embodiment, or may be set to 2 OmW, for example.
- the intensity of the laser beam is 5 mW
- the color of the mark 1 OB is translucent white
- the intensity is 2 OmW
- the color is light yellow-brown.
- the intensity of the laser beam applied to the spectacle lens L2 may be changed in the range of 0.1 W or more and 10 W or less to form the dark and light mark 10B.
- the intensity of the laser beam applied to the spectacle lens L2 exceeds 2 OmW, the color of the mark becomes darker and gradually changes from yellow-brown to brown.
- the shirt 13 is closed. After closing the shirt 133, the focusing position is moved to the next marking start position 10B3.
- the next marking start position 10B3 is 0.025mm from the previous marking start position 10B1 to the right of the X-axis (+ direction).
- the shirt 1 3 Open the 3 and irradiate the laser beam to the spectacle lens L2, and at the same time, move the stage 32 by 0.5 mm in the downward (-) direction on the Y axis at a moving speed of 1 mm / sec.
- the same operation is repeated 18 times.
- the surface 10B4 is formed by forming 20 lines parallel to the Y axis and spaced apart by 0.025 mm. After the formation of the face 10B4 is completed, the same operation is repeated to form the face 10B5, the face 10B6, and the face 1OB7, thereby forming the letter E. Also, the letter P is formed by forming the surface in the same manner.
- the inspection is performed based on a simulation image created in advance.
- This simulation image simulates the appearance of the spectacle lens L2 and the appearance of the mark 10B inside the eyeglass lens L2 viewed from a specific angle, based on the mark information and lens information included in the order data.
- the simulation image may be displayed on a display of a computer, or may be printed on paper.
- the simulation image is compared with the spectacle lens L2, and it is confirmed whether or not the mark 10B formed on the spectacle lens L2 matches the simulation image when viewed from a specific angle.
- the same effects as those of the first embodiment (1-1), (1-3), (1-4), and (1-5) can be obtained.
- the position of the spectacle lens L2 is determined based on the optical reference position L0, and the optical reference position L of the spectacle lens L2 is determined. 0 and the reference position T of the marking device 3 can be matched. Since the optical reference position L 0 is the origin of the marking position information of the mark 10 B, the optical reference position L 0 of the spectacle lens L 2 and the reference position of the marking device 3 which is the coordinate origin when performing marking By matching T to the desired value of the spectacle lens L 2 ⁇ , which enables accurate formation of mark 1 OB at the position
- the spectacle lens L2 manufactured by the manufacturing method of the present embodiment has the mark 10B accurately formed at a desired position.
- the position of the spectacle lens L 2 is adjusted by aligning the hidden mark L 21 formed in advance on the spectacle lens L 2 with the alignment mark 2 3 1 of the projection type position display section 23.
- the optical reference position L 0 of the spectacle lens L 2 on the XY plane and the reference position T of the marking device 3 match. Thereby, the optical reference position L 0 on the X: Y plane and the reference position T of the marking device 3 can be accurately matched.
- the projection position display unit 23 is provided between the irradiation unit 21 and the spectacle lens L2, and is formed on the projection position display unit 23.
- the projected image of the alignment mark 2 3 1 is transmitted through the Megumi mirror lens L 2 and displayed. Since the hidden mark L 21 formed on the spectacle lens L 2 is also displayed by being refracted by the refraction of the spectacle lens L 2, the hidden mark L 2 1 and the alignment mark 2 3 1 always have the same relative positional relationship. Can be kept. This enables more accurate positioning.
- the mark 10B is compared with a mark image and a simulation image formed based on the lens information, and an accurate Checks whether marking has been performed. As a result, it is possible to check the spectacle lens L2 having a mark that is not formed at a desired position, and it is possible to prevent a defective product from being shipped.
- the mark 10B is colored, for example, yellow-brown by adjusting the intensity of the laser beam applied to the spectacle lens L2. Performance and design can be improved. Furthermore, if the intensity of the laser beam applied to the spectacle lens L2 is changed in the range of 0.1 W or more and 10 W, a fine fashionable fine pattern 1 OB is formed based on continuous shading. can do.
- the spectacle lens L 3 of the present embodiment has a convex surface L 11 having a radius of curvature of 150 mm, a concave surface L 12 having a radius of curvature of 150 mm, and a center thickness of 3 mm. Is a spherical lens.
- the mark 10C formed inside the spectacle lens L3 has a planar structure with the letters EP.
- the size of each character is a square whose side W1 is 1. Omm when observed from the XY plane, and the interval W2 between each character is 0.5 mm.
- the mark 10C is formed about 0.5 mm below the surface of the convex surface L11 of the spectacle lens L3.
- the shape of the mark 10C is not limited to a planar shape, and may be a three-dimensional shape.
- the present embodiment is different from the second embodiment in the structure of the marking device in the marking system.
- the marking system 9 of the present embodiment includes a marking device 4 and a positioning device 2 (see FIG. 14).
- FIGS. FIG. 14 is a plan view of the marking device 4, and FIG. 15 is a side view of the marking device 4.
- the marking device 4 includes a plurality of, for example, three marking units 41, a laser light source 131 similar to each of the above-described embodiments, and an optical system for guiding the laser light from the laser light source 131 to each marking unit 41. 42.
- the optical system 42 splits the laser light from the laser light source 13 1.
- the optical system 42 includes, for example, two beam splitters 421 and one mirror 422. Of the two beam splitters 421, installed on the side of the laser light source 13 1 One beam splitter 4 21 A splits the laser light from the laser light source 13 1 at a ratio of 1: 2, and marks the first 13 laser light from the laser light source 13 1 as the first marking. Unit 4 Introduce into 1.
- the other beam splitter 421 B splits the 2Z3 laser beam split by the one beam splitter 421 A in half, and introduces it into the second marking unit 41. Further, the remaining laser light is reflected by the mirrors 42 and is introduced into the third marking unit 41. By doing so, the laser light from the laser light source 13 1 can be introduced into all the marking cuts 41 with the same intensity (see the optical path P).
- each marking unit 41 includes a holding unit 11 for holding the spectacle lens L3, a moving unit 4 1 2 for driving the holding unit 11, and a laser for emitting laser light. It has a light output section 4 13, a control section 4 14, a position measurement section 4 15, and a table 4 16.
- the table 4 16 is fixedly installed, and has a concave portion (not shown) in which the cylindrical portion 112 of the holding portion 11 is fitted.
- the moving unit 4 12 moves and positions the position of the spectacle lens L 3 with respect to the laser beam focusing position by driving the holding unit 11.
- the moving section 4 1 2 includes a chuck 4 12 A for supporting the holding section 11 and a moving section main body 4 1 2 B for driving the chuck 4 12 A in the X-axis direction, the Y-axis direction, and the Z-axis direction.
- the chuck 4 12 A includes a pair of main bodies 4 12 A 1 that sandwich the outer peripheral surface of the cylindrical section 112 of the holding section 11.
- the moving unit main body 4 1 2 B includes a rail 4 1 2 B 1 extending in the Y-axis direction, a Y-axis driving unit 4 1 2 BY sliding on the rail 4 1 2 B 1, and a Y-axis driving unit 4.
- 1 2 BY Z-axis driving means 4 1 2 BZ for driving in the Z-axis direction and Z-axis driving means 4 1 2 BZ X-axis driving means 4 1 2 BX which are provided orthogonally and advance and retreat in the X-axis direction are provided.
- a chuck 4 12 A is attached to the tip of the X-axis driving means 4 12 BX.
- the chuck 4 12 A is moved in the X-axis direction by moving the X-axis driving means 4 1 2 BX in the X-axis direction, so that the Z-axis drive By driving the means 4 12 BZ in the Z-axis direction, the X-axis driving means 4 12 BX and the chuck 4 12 A move in the Z-axis direction.
- the Y-axis driving means 4 1 2 BY is slid on the rail 4 1 2 B 1
- the Z-axis driving means 4 1 2 BZ the X-axis driving means 4 1 2 BX and the check 4 1 2 A It will move in the axial direction.
- the position measuring unit 415 measures the height of the spectacle lens L3 in the Z-axis direction, and is, for example, a contact dial gauge.
- the position measuring unit 415 is driven and controlled in the Z-axis direction by the control unit 414.
- the position of the position measuring section 415 on the XY plane is fixed.
- the value measured by the position measuring section 4 15 is sent to the control section 4 14, and the control section 4 14 generates drive information of the moving section 4 12 when performing marking based on this value. It is.
- the laser light output unit 4 13 includes a mirror 4 13 A, an ND filter 13 2 similar to the above embodiments, a power meter 4 13 C, a shirt filter 13 3, and a laser light focusing unit. 4 1 3E.
- the mirror 4 13 A is for guiding the laser light from the optical system 42 to the laser light condensing section 4 13 E. In this embodiment, two mirrors 4 13 A are used. .
- the ND filter 132 is the same as that of the above embodiment, but the ND filter 132 used in the present embodiment can control the attenuation of the laser beam by moving its position.
- the laser light is emitted with attenuation to 1 OmW.
- the power meter 413C measures the intensity of the laser beam, and the measurement result is transmitted to the control unit 414. Based on the intensity of the laser light measured by the power meter 413C, the control unit 414 drives the ND filter 132 to adjust the laser light to a predetermined intensity.
- the power meter 413C is configured to move to a position where the laser beam does not shine. It has become.
- the laser light focusing section 4 13 E focuses the laser light and focuses the laser light.
- the laser beam condensing section 4 13 E includes a beam expander 4 13 E 1 and a plurality of or one convex lens 4 13 E 2. After converting the light into parallel light with a large diameter, narrow it down with a convex lens 4 1 3 E 2. By doing so, the laser light can be rapidly narrowed down.
- a plurality of convex lenses 4 13 E 2 are used, the spherical aberration at the focusing position can be reduced, and the distance between the laser light focusing section 4 13 E and the spectacle lens L 3 can be secured. it can.
- the number of the convex lens 4 13 E 2 is one, the cost of the laser beam focusing section 4 13 E can be reduced.
- Such a laser beam output section 4 13 is fixedly installed, and has an X-Y plane at the position measuring section 4 15 described above, a laser beam condensing position V, and a reference position T of the marking device 4.
- the positional relationship in is as shown in FIG. Further, the position of the laser beam condensing position V in the Z-axis direction coincides with the height position of the reference position T of the marking device 4 in the Z-axis direction.
- the control unit 414 controls the movement of the moving unit 412 to form a desired mark 10C and the timing of opening and closing the shirt shirt 1333 in the same manner as the control unit 14 of each of the above embodiments. To do.
- the control section 414 includes a control section main body 414A and a storage section 414B. 'In the present embodiment, the control unit 4 14 is provided for each marking unit 4 1. However, the invention is not limited to this. Only one control unit is provided for the marking device 4, and a plurality of marking units 4 1 The driving of the moving section 4 1 2 and the like may be controlled.
- the storage unit 414B stores the mark information (the shape of the mark 10C (mark shape information such as the outer shape of the mark 10C)) and the mark '1' obtained in the same information obtaining step as in the above embodiment. Stores the density of 0 C and the position (marking position information) where the mark 10 C is formed.
- the control unit main body 4 14 A has a CPU (central processing unit) and controls the CPU.
- Moving section control means 4 14 A 1 as a program deployed on an OS (Operating System) equipped with a multitasking function, position measurement section control means 4 14 A 2, and laser light output section control means 4 14 A 3 and calculation means 4 14 A 4.
- OS Operating System
- the moving section control means 414A1 calculates the moving amount, moving direction, and moving speed of the holding section 11 based on the mark information stored in the storage section 414B, and Controls moving part 4 1 2.
- the position measuring section control means 4 14 A 2 controls the driving of the position measuring section 4 15 based on the marking position information of the mark information stored in the storage section 4 14 B.
- the laser beam output section control means 414A3 calculates the laser beam intensity based on the mark information stored in the storage section 4114B, and calculates the laser beam intensity from the power meter 413C. Obtain and adjust the position of the ND filter 132 so that the calculated intensity is obtained. In addition, based on the mark information stored in the storage unit 414B, data of the timing of opening and closing the shirt 13 is generated, and the drive of the shirt 13 is controlled.
- the calculating means 4 14 A 4 calculates the position in the Z-axis direction at which the mark 10 C is formed based on the measurement result of the position measuring section 4 15.
- the information acquisition step, the step of generating the processing information of the spectacle lens L3, the step of processing the spectacle lens L3 except for the marking, and the inspection step are the same as those in the second embodiment, and thus the description is omitted.
- the eyeglass lens L3 of the present embodiment is not subjected to edging, but is not limited to this, and may be edged.
- positioning is performed by aligning the optical reference position L 0 of the spectacle lens L 3 and the reference position T of the marking device 4 on the XY plane (positioning step).
- the positioning is performed by using the positioning device 2 using the mark points or the hidden marks of the spectacle lens L3.
- the positioning may be performed by combining the positioning device 2 with the marking device 4, and the marking device 4 and the positioning device 2 are separately provided, and the holding unit 1 1 is provided outside the marking device 4.
- an eyeglass lens L3 may be attached.
- the holding portion 11 When positioning is performed by combining the positioning device 2 with the marking device 4, the holding portion 11 is fixed at a predetermined position of the marking device 4, and the center of the suction cup 1 1 1 And the optical reference position L 0 of the spectacle lens L 3, and at the same time, the optical reference position L 0 of the spectacle lens L 3 matches the reference position T of the marking device 4. After aligning the center of the plane of the suction cup 1 1 1 of the holding unit 1 1 with the optical reference position L 0 of the eyeglass lens L 3, the holding unit 11 is moved by a predetermined distance.
- the configuration may be such that the reference position of the marking device 4 and the position of the optical reference position L0 of the spectacle lens L3 on the XY plane coincide with each other.
- the spectacle lens L 3 is attached to the holding unit 11 outside the marking device 4.
- the center of the plane of the suction cup 1 1 1 of the holding unit 1 1 and the optical reference position L 0 of the spectacle lens L 3 are made to coincide with each other. Thereafter, when this holding unit 1 1 is installed on the table 4 16 of the marking device 4, The reference position of the marking device 4 and the position of the optical reference position L0 of the spectacle lens L3 on the XY plane coincide (installation process).
- a height dimension Z 1 along the Z-axis direction from the reference position of the marking device 4 to the optical reference position L 0 of the spectacle lens L 3. Is, for example, 3.5 mm.
- the concave surface L12 of the spectacle lens L3 is sucked to the suction cup 111.
- a positioning step of determining a relative position ′ between the spectacle lens L3 and the condensing position of the laser beam from the marking device 4 is performed.
- the position measuring unit 415 is arranged above the optical reference position L0 of the spectacle lens L3. Specifically, the X-axis driving means 4 1 2 BX and the Y-axis driving means 4 1 2 BY of the moving section 4 1 2 are driven by the moving section control means 4 1 4 A 1 to move the holding section 11. . Further, the moving section control means 4 14 A 1 reads the marking information stored in the storage section 4 14 B; Then, the tip of the dial gauge of the position measuring unit 4 15 is positioned on the point L 3 1 on the surface of the spectacle lens L 3 corresponding to the point 10 C 1 of the mark 10 C. Then, the X-axis driving means 4 12BX and the Y-axis driving means 4 12 BY of the moving section 412 are driven to move the holding section 11.
- the point L31 is a point at the end of the mark 10C formed inside the spectacle lens L3, as shown in FIG.
- the position measurement unit 415A2 is driven in the Z-axis direction by the position measurement unit control means 414A2, and the point L31 on the surface of the convex surface L11 of the spectacle lens L3 corresponding to the point 10C1 in the Z-axis direction.
- Measure the height dimension (the height position of the marking device 4 with respect to the reference position T).
- the height dimension with respect to the reference position T is, for example, 2.748 mm.
- the tip 1 of the dial gauge of the position measuring unit 415 is positioned at the point L32 on the surface of the spectacle lens L3 corresponding to the point 10C2 on the other end of the mark 1OC on the XY plane of the mark 1OC.
- the moving section control means 414 A 1 drives the X axis driving means 41 2 BX and the Y axis driving means 412 BY of the moving section 412 to move the holding section 11. After that, the height dimension (the height position relative to the reference position T of the marking device) of the point L32 on the surface of the convex surface L11 of the spectacle lens L3 corresponding to the point 10C2 is measured.
- the height dimension with respect to the reference position T is, for example, 2.476 mm.
- the measurement result by the position measurement unit 415 is transmitted to the calculation unit 414A4 of the control unit main body 414A.
- the calculating means 414A4 calculates the slopes of the two points from the measured values of the two points. (In this example, when the lens is moved lmm to the right (+ direction) on the X-axis, it is tilted 0.109 mm downward (one direction) on the Z-axis.)
- the calculating unit 414A4 reads out the marking information stored in the storage unit 414B, corrects the information, and stores it again in the storage unit 414B.
- the marking information memorizes that the height position of the mark 10 C is 0.5 mm from the surface of the spectacle lens L 3, so each of the two measured points is 0.5 mm below.
- the correction is made when the mark 10C is formed along the inclination of two points. That is, in the calculation method 414 A4, the point at 2.248 mm from the reference position of the marking device 4 is point 10 C1, the position at 1.976 mm from the reference position T is point 10 C2, and the reference position is When the position of 2.39 mm from the edge is the marking start position 10 C 3 Information is generated.
- the moving unit control unit 414A1 reads the value after the correction by the calculating unit 414A4 stored in the storage unit 414B, and drives the Z-axis driving unit 412BZ of the moving unit 412.
- the condensing position V of the laser beam in the Z-axis direction coincides with the reference position T of the marking device 4, so that in order to form the mark 10C, the laser beam is moved by the moving unit control means 414A1. What is necessary is to drive the Z-axis driving means 412 BZ of the section 412 and lower the holding section 11 by 2.1 mm in the Z-axis direction.
- the position on the XY plane of the laser light focusing position V and the marking start position 1 OC 3 are matched. Since the height position of the surface of the spectacle lens L3 was measured by the position measuring unit 415, the spectacle lens L3 is disposed below the position measuring unit 415. '
- the current focus position V of the laser beam on the X- ⁇ plane and the current optical reference position LO of the spectacle lens L 3 from the reference position T on the X-Y plane, and the marking start position 10 C from the optical reference position LO The distance to 3 is grasped, and the moving amount of the holding unit 11 is calculated by the moving unit control means 414A1 based on these. Then, the moving unit control means 414A1 drives the moving unit 412 based on the moving amount.
- a marking process is performed.
- Laser light is output from the laser light source 131, and the intensity of the laser light is measured by the power meter 41 3C.
- the ND filter 132 is moved to a position where the intensity of the laser light becomes 1 OmW by the laser light output unit control means 414A3.
- the intensity of the laser beam becomes 1 OmW
- the measurement by the power meter 413 C is stopped, the power meter 413 C is moved from the optical path P, and the shirt 133 is opened.
- the holding part 11 is simultaneously moved lmm in the left direction (one direction) and 0.109mm in the upward direction (+ direction) in the Z axis at a moving speed of 1 mm / sec. . Then, move lmm downward (one direction) on the Y axis. Then, move lmm in the X-axis right direction (+ direction) and 0.109mm in the Z-axis downward direction (one direction) at the same time to close the shirt 133.
- point 1 which is the next marking start position Driving the holding unit 1 1 so that the light condensing position is at 0 C 1 and opening the shirt 1 3 3 at the same time, moving the holding unit 1 1 in the X-axis right direction (+ direction) at l minZ seconds. Move 0.109 mm in both the mm and Z-axis directions (one direction).
- the letter E is formed.
- the letter P is formed in a similar manner (marking process).
- the height dimension from the reference position T of the points L 3 1 and 3 2 on the surface of the spectacle lens L 3 corresponding to the end of the portion where the mark 10 C is formed is measured. Then, the height dimension of the surface of the spectacle lens L3 at both ends forming the mark 10C is measured. Then, the marking information is corrected, and the mark 10C is formed 0.5 mm below the lens surface in parallel with the inclination of both ends, so that the mark 10C protrudes from the surface of the spectacle lens L3.
- the mark 10C can be reliably formed inside the spectacle lens L3, and the mark 10C having excellent appearance can be formed.
- this makes it possible to form the mark 10C having a good appearance, thereby reducing the incidence of defective products of the spectacle lens L3 when forming the mark 10C. I can do children.
- the laser light source 13 1 since the light beam emitted from the laser light source 13 1 is divided and introduced into the plurality of marking units 41, the laser light source is provided for each of the marking units 41. It is not necessary to provide a marking, and the cost of the marking device 4 can be reduced. Since the laser light source 13 1 is expensive, it is possible to effectively reduce the cost by not providing the laser light source 13 1 for each marking unit 41.
- the marking device 4 of the present embodiment includes the plurality of marking units 41, it is possible to simultaneously form the mark 10C on the plurality of spectacle lenses L3, The production efficiency of the spectacle lens L3 can be increased. [4. Modifications] '
- the present invention is not limited to the above-described embodiment, and includes modifications and improvements as long as the object of the present invention can be achieved. .
- the spectacle lens L 1 L 3 is fixed to the marking device 1, 3, 4 by adsorbing the convex surface L 11 or the concave surface L 12 of the spectacle lens with the holding unit 11.
- the spectacle lens L1L3 may be attached to a jig via a fixing medium such as wax or alloy, and the jig may be fixed to a stage or the like of a marking device.
- the upper surface L12 of the spectacle lenses L1, L3 is held by the holding portion 11; however, the present invention is not limited to this. It may be held by.
- the convex surface L 11 of the spectacle lens L 2 is attracted by the holding portion 11, so that the force S for fixing the spectacle lens L 2 to the marking device 3, the surface of the spectacle lens L 2 L 12 may be absorbed and fixed to the marking device 3.
- the holding portion 11 holding the B ⁇ mirror lens L 1 L 3 was moved to form the desired mark 10 A 10 C.
- the present invention is not limited to this.
- the laser beam output unit may be provided with a galvanomirror, and the laser beam condensing position may be moved to form the mark 10C.
- a galvanometer mirror 135 and a mirror 135 are provided on the light beam emission side of the ND filter 132 of the laser beam output unit 133, thereby condensing the laser beam.
- the position may be moved.
- the galvanometer mirror 135 corresponds to a moving unit for moving the laser beam condensing position with respect to the spectacle lens.
- the galvanomirror 135 must be provided in the laser light output sections 13 and 13, so that the laser light output section 13 'may be enlarged.
- the galvanomirror since the galvanomirror is not required, it is possible to prevent an increase in the size of the laser light output section 1341133.
- the model numbers of the spectacle lenses LI and L2 are input to the control unit 14 of the marking devices 1 and 3 and the storage unit 14 2 in the control unit 14 is used.
- desired data has been obtained, a method of directly inputting data by an operator or a method of obtaining data by connecting to an external database may be used.
- the dial gauge D was used when aligning the height position (the position along the Z-axis direction) between the optical reference position L 0 and the reference position T of the marking device 3.
- the present invention is not limited to this.For example, when aligning the optical reference position of the convex surface LI 1 with the reference position T of the marking device 3, as shown in FIGS.
- a laser sensor 5 may be used.
- the measurement light is emitted from the light emitting part 51 side of the laser sensor 5 toward the light receiving part 52 side. Part of the measurement light is blocked by the spectacle lens L2 and reaches the light receiving section 52. Therefore, the position where light is received on the light receiving unit 52 side is the height of the optical reference position of the spectacle lens L2 in the Z-axis direction. Since the height of the reference position T of the marking device is known in advance, the height of the optical reference position can be ascertained from the reference position T. Based on this, the convex surface L 11 side And the reference position T of the marking device 3 can be matched.
- the height position of the surface of the spectacle lens L3 is measured by the dial gauge.
- the spectacle lens corresponding to the mark 10C is measured. If the measuring light is emitted so as to pass through the position on the L3 surface, the height of the position on the surface of the spectacle lens corresponding to the mark 10C can be ascertained. Then, based on the corrected marking position information, the relative position between the spectacle lens L3 and the laser light output unit 13 of the marking device 4 in the height direction may be determined.
- the spectacle lenses L 1 and L 3 are held by the holding unit 11 by vacuum suction.
- the present invention is not limited to this.
- a marking as shown in FIG. Marking can be performed using the device 1A.
- the marking device 1A has substantially the same configuration as the marking device 3 of the second embodiment, but includes a chucking portion 35 for chucking the outer peripheral end surfaces of the spectacle lenses L1, L3, This is different from the first embodiment in that a base unit 36 is provided on the stage 32 and a base unit 35 is provided.
- the spectacle lenses L 1 and L 3 are formed by chucking the outer peripheral end surfaces of the unprocessed spectacle lenses L 1 and L 3 on which the perfect circular optical surface is not formed to the chucking portion 35 of the marking device 3 B.
- Marking device Can be fixed to 1A.
- the spectacle lens is attached by the chucking in this way, a structure for holding the spectacle lens by suction is not required, and the structure of the marking device can be simplified.
- the convex surface L11 of the spectacle lens L2 is disposed so as to face downward, and the laser light is emitted from the turning surface L12.
- the present invention is not limited to this.
- the spectacle lens is set so that the convex surface L11 is on the upper side, and laser light is irradiated from the convex LI1 side. Good. In this way, marking can be performed by irradiating laser light from the convex surface L11 side.
- the marking device 3A includes a holding unit 11A that holds the convex surface L11 of the spectacle lens L2 from above.
- the spectacle lens L2 is an inner surface progressive power multifocal lens, but is not limited to this.
- a mark is provided so that the optical reference position and the axis angle can be recognized. Based on this mark, a method substantially similar to that of the above-described embodiment is used. Then, the optical reference position and the reference position T of the marking device 3 may be matched.
- the positioning device 2 when aligning the optical reference position LO of the spectacle lens L2 with the reference position T of the marking device 3, the positioning device 2 is used.However, such a configuration is not necessarily required.
- a positioning device in which a positioning mark is formed on the projection image display unit may be used without providing the projection type position display unit 23.
- the positioning device is not limited to a configuration including the irradiation unit 21 that irradiates the spectacle lens with irradiation light and the projected image display 22.
- a coordinate position acquiring means such as a sensor for obtaining a coordinate position of a predetermined point of the spectacle lens L2 attached to the marking device 3, an optical reference position L0 of the spectacle lens L2 and a reference of the marking device 3 Rank
- a storage unit that stores a coordinate position of the predetermined point of the spectacle lens in the ideal state where the position T matches, and a comparing unit that compares the coordinate position in the ideal state with a coordinate position measured by a sensor or the like.
- a positioning device may be provided.
- the height dimension from the reference position ⁇ of the points L 31 and L 32 on the surface of the spectacle lens L 3 corresponding to the end of the part where the mark 10 C is formed is measured.
- the method of calculating the inclination of the lens surface and obtaining the height position at which the mark 10C is formed by inclining the mark 10C with respect to the X- ⁇ plane is not limited to this method.
- the center of the mark 10C in the X- ⁇ plane is considered.
- the height position in the ⁇ -axis direction of the surface position of the convex surface L11 of the spectacle lens L3 corresponding to the point may be measured to determine the height position at which the mark 1OC is formed. In this case, since only one measurement point is required, no labor is required for marking.
- the point L 3 on the surface of the spectacle lens L 3 corresponding to the end of the portion where the mark 10 C is formed. 1. Measure the height of L3 2 from the reference position ⁇ , calculate the average of the heights of points L31 and L32, and calculate the average The height position at which the mark 10C is formed may be determined with an appropriate height dimension.
- the mark is formed substantially parallel to the ⁇ - ⁇ plane, and it is not necessary to move the holding portion 11 in the ⁇ -axis direction at the time of marking, so that the movement of the holding portion 11 is controlled. It can be simplified.
- the surface of the spectacle lens L3 corresponding to the portion where the mark 10C is formed is measured at three or more locations, an average value is calculated, and this average value is approximated to the approximate height of the spectacle lens L3. It may be a dimension.
- the heights of the points L31 and L32 from the reference position T were measured to determine the inclination. However, not only two points but three points were measured.
- the mask may be formed along a plane passing through.
- the mark may be formed along the curvature of the convex surface L I1 or the concave surface L12 of the spectacle lens. For example, three or more points corresponding to the part where the convex surface L11 of the spectacle lens L3 is formed with the first surface mark 10C are measured, and the three-dimensional shape G is obtained from the measurement data as shown in FIG. And the relative position between the spectacle lens L3 and the condensing position of the laser light from the laser light output unit 4 13 so that the mark 10C is formed on the surface along the three-dimensional shape G. I do.
- the position measurement unit 4 15 determines whether the reference position T of the points L 3 1 and L 3 2 on the surface of the spectacle lens L 3 corresponding to the end of the portion where the mark 10 C is formed. These height dimensions were measured.
- the control unit 4 14 may calculate the shape of the convex surface L 11 of the spectacle lens L 3 and form the mark 10 C. . For example, the center thickness of the spectacle lens L3 and the radius of curvature of the convex surface L11 are obtained, and the height dimension (surface shape) of the surface of the convex surface L11 from the reference position T is grasped from these. Thereafter, it is possible to calculate the height dimension of the dots 31 and L32 from the reference position T.
- the height dimension of the points L 31 and L 32 from the reference position T may be calculated based on the approximate curvature of the convex surface L I1.
- the mark 10C may be formed at a position equidistant from the convex surface L11 and the concave surface L12 of the spectacle lens L3. In this case, as shown in Fig. 28, the height positions of the points L33, 34 on the surface of the turning surface L12, corresponding to the portion forming the mark 10C, from the reference position are also measured. Just fine.
- the present invention can be used for a method for manufacturing a spectacle lens having a mark formed therein, a marking device, a marking system, and a spectacle lens.
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Manufacturing & Machinery (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Eyeglasses (AREA)
- Laser Beam Processing (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2005511136A JPWO2005001552A1 (ja) | 2003-06-27 | 2004-06-28 | 眼鏡レンズの製造方法、マーキング装置、マーキングシステム、眼鏡レンズ |
EP04746942A EP1645904A4 (en) | 2003-06-27 | 2004-06-28 | METHOD OF MANUFACTURING A GLASS LENS, MARKING DEVICE, MARKING SYSTEM, GLASS LENS |
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
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JP2003185628 | 2003-06-27 | ||
JP2003-185628 | 2003-06-27 | ||
JP2003-296379 | 2003-08-20 | ||
JP2003296379 | 2003-08-20 | ||
JP2003315464 | 2003-09-08 | ||
JP2003-315464 | 2003-09-08 | ||
JP2004179710 | 2004-06-17 | ||
JP2004-179710 | 2004-06-17 | ||
JP2004-182465 | 2004-06-21 | ||
JP2004182465 | 2004-06-21 |
Publications (1)
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WO2005001552A1 true WO2005001552A1 (ja) | 2005-01-06 |
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PCT/JP2004/009473 WO2005001552A1 (ja) | 2003-06-27 | 2004-06-28 | 眼鏡レンズの製造方法、マーキング装置、マーキングシステム、眼鏡レンズ |
Country Status (5)
Country | Link |
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US (1) | US7267436B2 (ja) |
EP (1) | EP1645904A4 (ja) |
JP (1) | JPWO2005001552A1 (ja) |
KR (1) | KR100777865B1 (ja) |
WO (1) | WO2005001552A1 (ja) |
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JP2010055007A (ja) * | 2008-08-29 | 2010-03-11 | Hoya Corp | セミフィニッシュドレンズとその製造方法、及びプラスチックレンズの製造方法 |
US8087377B2 (en) | 2005-11-04 | 2012-01-03 | Tokuyama Corporation | Coating apparatus |
JP2015530621A (ja) * | 2012-09-28 | 2015-10-15 | エシロール アンテルナショナル コムパニー ジェネラル ドプテイク | 眼用レンズ上に恒久的技術マークを生成するためのマーキングステップを含む眼用レンズ製造方法 |
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US11435600B2 (en) * | 2011-12-22 | 2022-09-06 | Carl Zeiss Vision International Gmbh | Method for storing information on a spectacles lens, spectacles lens blank or spectacles lens semi-finished product |
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US20080291392A1 (en) * | 2007-04-12 | 2008-11-27 | Sicari Joseph E | System and method for marking an ophthalmic lens |
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DE102008056136A1 (de) * | 2008-10-29 | 2010-05-20 | 3D-Micromac Ag | Lasermarkierverfahren, Lasermarkiervorrichtung und Optikelement |
US8706288B2 (en) * | 2009-05-21 | 2014-04-22 | Electro Scientific Industries, Inc. | Apparatus and method for non-contact sensing of transparent articles |
DE102010010337A1 (de) * | 2010-03-04 | 2011-09-08 | Schneider Gmbh & Co. Kg | Markierlaser für Brillenlinsen aus Kunststoff |
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DE102018125092B4 (de) * | 2018-10-10 | 2023-06-22 | Carl Zeiss Vision International Gmbh | Verfahren und Vorrichtung zum Markieren eines Brillenglases, Brillenglas-Rohlings oder Brillenglas-Halbfabrikats sowie Computerprogrammprodukt |
KR102271014B1 (ko) | 2019-06-20 | 2021-07-01 | 전성태 | 렌즈의 성능 확인장치 |
CN110376699B (zh) * | 2019-07-26 | 2021-12-03 | 业成科技(成都)有限公司 | 镜片对位方法、镜头模组及成像装置 |
CN115734840A (zh) * | 2020-06-29 | 2023-03-03 | 光学转变有限公司 | 用于标记涂覆的眼科镜片的系统 |
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Publication number | Priority date | Publication date | Assignee | Title |
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US8087377B2 (en) | 2005-11-04 | 2012-01-03 | Tokuyama Corporation | Coating apparatus |
JP2010055007A (ja) * | 2008-08-29 | 2010-03-11 | Hoya Corp | セミフィニッシュドレンズとその製造方法、及びプラスチックレンズの製造方法 |
US11435600B2 (en) * | 2011-12-22 | 2022-09-06 | Carl Zeiss Vision International Gmbh | Method for storing information on a spectacles lens, spectacles lens blank or spectacles lens semi-finished product |
US11586054B2 (en) | 2011-12-22 | 2023-02-21 | Carl Zeiss Vision International Gmbh | Apparatus for storing information on a spectacles lens, spectacles lens blank or spectacles lens semi-finished product |
JP2015530621A (ja) * | 2012-09-28 | 2015-10-15 | エシロール アンテルナショナル コムパニー ジェネラル ドプテイク | 眼用レンズ上に恒久的技術マークを生成するためのマーキングステップを含む眼用レンズ製造方法 |
JP2017090547A (ja) * | 2015-11-04 | 2017-05-25 | 株式会社ニデック | 軸出し装置および軸出し位置設定プログラム |
WO2023119773A1 (ja) * | 2021-12-22 | 2023-06-29 | ホヤ レンズ タイランド リミテッド | 光学部材の製造方法、光学部材及び眼鏡 |
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JPWO2005001552A1 (ja) | 2006-07-27 |
EP1645904A4 (en) | 2010-08-04 |
EP1645904A1 (en) | 2006-04-12 |
US20050046792A1 (en) | 2005-03-03 |
KR100777865B1 (ko) | 2007-11-21 |
KR20060032156A (ko) | 2006-04-14 |
US7267436B2 (en) | 2007-09-11 |
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