CN106695114A - Light path structure of laser engraving machine - Google Patents
Light path structure of laser engraving machine Download PDFInfo
- Publication number
- CN106695114A CN106695114A CN201710020922.2A CN201710020922A CN106695114A CN 106695114 A CN106695114 A CN 106695114A CN 201710020922 A CN201710020922 A CN 201710020922A CN 106695114 A CN106695114 A CN 106695114A
- Authority
- CN
- China
- Prior art keywords
- rotating disk
- diaphragm
- circumferencial direction
- laser engraving
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0643—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising mirrors
-
- 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
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0648—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
Abstract
The invention discloses a light path structure of a laser engraving machine and belongs to the technical field of laser engraving. The light path structure is sequentially provided with an objective lens, a pinhole, a diaphragm and an elliptical reflector in the light ray transmission direction; the focal point position of the objective lens coincides with the far focal point position of the elliptical reflector, and the pin hole is formed in the coincide position; parallel beams irradiate the objective lens in the ray axis direction, and a point light source is formed at the pinhole and then is reflected to the perifocus position through the elliptical reflector to be gathered into a point light spot; and the diaphragm can move in the ray axis direction between the pinhole and the elliptical reflector, and the opening degree of the diaphragm can be adjusted. The light path structure of the laser engraving machine not only can eliminate aberration in principle and improve the laser beam quality, but also has the functions of accurately controlling the laser beam energy and changing the laser beam convergence angle.
Description
Technical field
A kind of laser engraving machine light channel structure of the present invention belongs to laser-engraving technique field.
Background technology
Laser engraving has a wide range of applications in fields such as woodcut, stone inscription, seals.High-quality laser engraving is, it is necessary to tight
Lattice control the quality of laser beam, and the interference of aberration is eliminated to the full extent；Meanwhile, also want the energy of precise control laser beam, meeting
The parameters such as poly- angle.
The content of the invention
For in laser engraving field, the technical need of laser beam quality and Parameter adjustable, the invention discloses one kind
Laser engraving machine light channel structure, can not only eliminate aberration from principle, improve the quality of laser beam, and with precise control
Laser beam can, change laser beam convergent angle effect.
The object of the present invention is achieved like this：
A kind of laser engraving machine light channel structure, sets gradually object lens, pin hole, diaphragm and ellipsoid anti-along the light direction of propagation
Penetrate mirror；The objective focus positions and ellipsoidal mirror over focus position overlap, and overlapping position sets pin hole；Collimated light beam is along light
Direction of principal axis illumination objective, spot light is formed in pin hole position, then reflexes to perifocus position by ellipsoidal mirror, is converged to
Point hot spot；Diaphragm can be moved between pin hole and ellipsoidal mirror along optical axis direction, and the openings of sizes of diaphragm can be adjusted.
Above-mentioned laser engraving machine light channel structure, the openings of sizes of diaphragm can be adjusted, and be realized by following structure：
The window transparent plate of not pivoting of the diaphragm by being coaxially disposed, the radial direction breach rotating disk of pivoting
Circumferencial direction breach rotating disk with pivoting is constituted；
The window transparent plate circumferencial direction the first ring and the second ring, in the first radius of radial direction and the second half
The region iuuminting that footpath surrounds, other regions are light tight；Folded central angle is α between first radius and the second radius, and α can be by
360 degree divide exactly；
The radial direction breach rotating disk is divided into 360/ α region in circumferencial direction, in each area, in circumference
First ring and the second ring in direction, in the region iuuminting that two radiuses of radial direction are surrounded, other regions are light tight；Two
Folded central angle is arranged in 360/ α region into arithmetic progression between radius, and maximum is no more than α；
The circumferencial direction breach rotating disk is divided into 360/ α region in circumferencial direction, in each area, in circumference
Two rings in the middle of first ring and the second ring in direction, in the region that surrounds of the first radius and the second radius of radial direction thoroughly
Light, other regions are light tight；The distance between two rings are arranged in 360/ α region into arithmetic progression, and maximum is no more than the
The distance between one ring and the second ring.
Above laser engraving machine light channel structure, in window transparent plate and the offside and radial direction of circumferencial direction breach rotating disk
The both sides of breach rotating disk, are provided with annular groove, and equidistantly distributed has ball in annular groove, and the ball is fixed by ball rack；
Window transparent plate and circumferencial direction breach rotating disk are made by magnetic material, and synonyms pole is staggered relatively, using magnetic force, by window
Mouth transparent plate, radial direction breach rotating disk and the absorption of circumferencial direction breach rotating disk.
Above laser engraving machine light channel structure, window transparent plate is fixedly mounted on sleeve, have on the sleeve two it is complete
The exactly the same groove be arrangeding in parallel, the groove covers the circumference of 360- α angles；Radial direction breach rotating disk and circumferencial direction lack
Mouth rotating disk side is provided with spanner, and the spanner stretches out from the groove being arranged on sleeve, pulls spanner, realizes radius side
To the rotation of breach rotating disk and circumferencial direction breach rotating disk.
360/ α sipes equidistantly is provided with the groove, the through hole for pointing to sipes both sides is provided with the spanner,
Spring is provided with through hole, the both sides of the spring are mounted on cap nut；Spring in its natural state, between two caps away from
From more than groove width, under compression, the distance between two caps are less than groove width to spring.
Beneficial effect：
Firstth, in laser engraving machine light channel structure of the present invention, due to being only provided with object lens, pin hole, diaphragm and ellipsoid
Speculum, in addition, then mixes complete light path system is formed by light source and attenuator, and element is few, simple structure；
Secondth, in laser engraving machine light channel structure of the present invention, due to having abandoned the lens arrangement in conventional light path, and adopt
With ellipsoidal mirror, the Aberration Problem that lens can not possibly overcome is solved from principle, greatly improve the quality of laser beam, had
Effect avoid aberration light beam to carving area outside injury, so as to improve engraving quality；
3rd, because diaphragm can be moved between pin hole and ellipsoidal mirror along optical axis direction, therefore, it is possible to change
The irradiating angle of laser beam；Simultaneously as the openings of sizes of diaphragm can be adjusted, therefore, it is possible to change the convergent angle of laser beam；
4th, because laser engraving machine light channel structure of the present invention employs ellipsoidal mirror, using ellipsoidal mirror
Bifocus conjugated nature, that is, utilizing can also be from the property of over focus outgoing, with lens arrangement or flat from the incident light beam of over focus
Face speculum or spherical reflector are compared, and realize wide-angle convergence, can not only be improved the engraving time of thick texture, and
Special engraving effect can be realized.
Brief description of the drawings
Fig. 1 is laser engraving machine light channel structure schematic diagram of the present invention.
Fig. 2 is the structural representation of window transparent plate 31.
Fig. 3 is the structural representation of radial direction breach rotating disk 32.
Fig. 4 is the structural representation of circumferencial direction breach rotating disk 33.
Fig. 5 is the assembling structure schematic diagram of window transparent plate, radial direction breach rotating disk and circumferencial direction breach rotating disk.
Fig. 6 is the structural representation of ball rack.
Fig. 7 is the mounting structure schematic diagram between diaphragm and sleeve.
Fig. 8 is that groove launches Local map.
Fig. 9 be spanner by groove when structure change schematic diagram.
In figure：1 object lens, 2 pin holes, 3 diaphragms, 31 window transparent plates, 32 radial direction breach rotating disks, 33 circumferencial direction breach
Rotating disk, 34 balls, 35 ball racks, 36 spanners, 37 springs, 38 caps, 4 ellipsoidal mirrors, 5 sleeves.
Specific embodiment
The specific embodiment of the invention is described in further detail below in conjunction with the accompanying drawings.
Specific embodiment one
The laser engraving machine light channel structure of the present embodiment, schematic diagram is as shown in Figure 1.The laser engraving machine light channel structure is along light
The line direction of propagation sets gradually object lens 1, pin hole 2, diaphragm 3 and ellipsoidal mirror 4；The focal position of the object lens 1 and ellipsoid
The over focus position of speculum 4 overlaps, and overlapping position sets pin hole 2；Collimated light beam along optical axis direction illumination objective 1, in the position of pin hole 2
Spot light is formed, then perifocus position is reflexed to by ellipsoidal mirror 4, be converged to a hot spot；Diaphragm 3 can be in pin hole 2
Moved along optical axis direction and ellipsoidal mirror 4 between, the openings of sizes of diaphragm 3 can be adjusted.
It should be noted that diaphragm 3 can be moved between pin hole 2 and ellipsoidal mirror 4 along optical axis direction, this area
Technical staff can realize relative to the structure that shell is axially moveable with reference to eyeglass in zoom lens, in this application need not
It is discussed in detail.
Specific embodiment two
The laser engraving machine light channel structure of the present embodiment, on the basis of specific embodiment one, further limits diaphragm 3
Openings of sizes can be adjusted, and be realized by following structure：
The radial direction breach of the window transparent plate 31, pivoting of not pivoting of the diaphragm 3 by being coaxially disposed
Rotating disk 32 and the circumferencial direction breach rotating disk 33 of pivoting are constituted；
The window transparent plate 31 circumferencial direction the first ring and the second ring, in the first radius of radial direction and second
The region iuuminting that radius is surrounded, other regions are light tight；Folded central angle is α between first radius and the second radius, and α can
Divided exactly by 360 degree；Window transparent plate 31 is as shown in Figure 2；
The radial direction breach rotating disk 32 is divided into 360/ α region in circumferencial direction, in each area, in circle
First ring and the second ring of circumferential direction, in the region iuuminting that two radiuses of radial direction are surrounded, other regions are light tight；Two
Folded central angle is arranged in 360/ α region into arithmetic progression between individual radius, and maximum is no more than α；Radial direction breach turns
Disk 32 is as shown in Figure 3；It should be noted that referring to that numeral is arranged according to size order into arithmetic progression arrangement in the present invention
Afterwards into arithmetic progression, but can not arrange in sequence；
The circumferencial direction breach rotating disk 33 is divided into 360/ α region in circumferencial direction, in each area, in circle
Two rings in the middle of first ring and the second ring of circumferential direction, in the region that surrounds of the first radius and the second radius of radial direction
Printing opacity, other regions are light tight；The distance between two rings are arranged in 360/ α region into arithmetic progression, and maximum is no more than
The distance between first ring and the second ring；Circumferencial direction breach rotating disk 33 is as shown in Figure 4.
In the present embodiment, by radius of turn direction breach rotating disk 32 and circumferencial direction breach rotating disk 33, make window saturating
The transmission region of CD 31 and radial direction breach rotating disk 32 and the transmission region permutation and combination of circumferencial direction breach rotating disk 33, change light
The openings of sizes of door screen, so as to change the convergent angle of laser beam.
Specific embodiment three
The laser engraving machine light channel structure of the present embodiment, on the basis of specific embodiment one or specific embodiment two, enters
One step limits the assembling structure of window transparent plate 31, radial direction breach rotating disk 32 and circumferencial direction breach rotating disk 33 in diaphragm 3,
As shown in Figure 5.
In the both sides of the offside and radial direction breach rotating disk 32 of window transparent plate 31 and circumferencial direction breach rotating disk 33,
Annular groove is provided with, equidistantly distributed has ball 34 in annular groove, the ball 34 is fixed by ball rack 35；Window transparent plate 31
It is made by magnetic material with circumferencial direction breach rotating disk 33, synonyms pole is staggered relatively, using magnetic force, by window transparent plate
31st, radial direction breach rotating disk 32 and circumferencial direction breach rotating disk 33 are adsorbed.
In the present embodiment, the structural representation of ball rack 35 is as shown in fig. 6, ball 34 is put into the hole of ball rack 35,
In the direction of vertical optical axis, the position of ball 34 is limited by ball rack 35；It should be noted that ball rack 35 is needed by transparent material
Material is made, it is ensured that printing opacity.
Specific embodiment four
The laser engraving machine light channel structure of the present embodiment, in specific embodiment one, specific embodiment two or specific embodiment
On the basis of three, the mounting structure between diaphragm 3 and sleeve 5 is further limited, as shown in Figure 7.
Window transparent plate 31 is fixedly mounted on sleeve 5, have on the sleeve 5 two it is identical be arranged in parallel it is logical
Groove, the groove covers the circumference of 360- α angles；Radial direction breach rotating disk 32 and the side of circumferencial direction breach rotating disk 33 are all provided with
Spanner 36 is equipped with, the spanner 36 stretches out from the groove being arranged on sleeve 5, pulls spanner 36, realizes radial direction breach
The rotation of rotating disk 32 and circumferencial direction breach rotating disk 33.
Mounting structure between the present embodiment diaphragm 3 and sleeve 5, can realize radial direction breach rotating disk 32 and circumference side
To the technical purpose that breach rotating disk 33 is pivoted.
Specific embodiment five
The laser engraving machine light channel structure of the present embodiment, on the basis of specific embodiment four, further limits spanner 36
Matching relationship between groove.
Wherein, 360/ α sipes is equidistantly provided with groove, it is as shown in Figure 8 that groove launches Local map；
The through hole for pointing to sipes both sides is provided with the spanner 36, spring 37 is provided with through hole, the spring 37
Both sides are mounted on cap nut 38；In its natural state, the distance between two caps 38 are more than groove width, spring 37 to spring 37
Under compression, the distance between two caps 38 are less than groove width.
Structure change when spanner 36 is by groove is as shown in figure 9, it should be noted that between spring 37 and cap nut 38
Mounting means, those skilled in the art can realize, it is not necessary to introduce in further detail.
Such structure design, when can make spanner 36 by sipes, under the elastic force effect of spring 37, two caps 38 block
In sipes, the positioning of pair radius direction breach rotating disk 32 and the circumferencial direction of circumferencial direction breach rotating disk 33 is realized, and then make window
Mouth transparent plate 31, radial direction breach rotating disk 32 and circumferencial direction breach rotating disk 33 are in fixed position permutation and combination.
Claims (5)
1. a kind of laser engraving machine light channel structure, it is characterised in that set gradually object lens (1), pin hole along the light direction of propagation
(2), diaphragm (3) and ellipsoidal mirror (4)；Object lens (1) focal position and ellipsoidal mirror (4) over focus position weight
Close, overlapping position sets pin hole (2)；Collimated light beam forms spot light along optical axis direction illumination objective (1) in pin hole (2) position, then
Perifocus position is reflexed to by ellipsoidal mirror (4), a hot spot is converged to；Diaphragm (3) can be in pin hole (2) and ellipsoid
Moved along optical axis direction between speculum (4), the openings of sizes of diaphragm (3) can be adjusted.
2. laser engraving machine light channel structure according to claim 1, it is characterised in that the openings of sizes of diaphragm (3) can
Adjustment, is realized by following structure：
The window transparent plate (31) of not pivoting of the diaphragm (3) by being coaxially disposed, the radial direction breach of pivoting
Rotating disk (32) and circumferencial direction breach rotating disk (33) of pivoting are constituted；
The window transparent plate (31) circumferencial direction the first ring and the second ring, in the first radius of radial direction and the second half
The region iuuminting that footpath surrounds, other regions are light tight；Folded central angle is α between first radius and the second radius, and α can be by
360 degree divide exactly；
The radial direction breach rotating disk (32) is divided into 360/ α region in circumferencial direction, in each area, in circumference
First ring and the second ring in direction, in the region iuuminting that two radiuses of radial direction are surrounded, other regions are light tight；Two
Folded central angle is arranged in 360/ α region into arithmetic progression between radius, and maximum is no more than α；
The circumferencial direction breach rotating disk (33) is divided into 360/ α region in circumferencial direction, in each area, in circumference
Two rings in the middle of first ring and the second ring in direction, in the region that surrounds of the first radius and the second radius of radial direction thoroughly
Light, other regions are light tight；The distance between two rings are arranged in 360/ α region into arithmetic progression, and maximum is no more than the
The distance between one ring and the second ring.
3. laser engraving machine light channel structure according to claim 1 and 2, it is characterised in that in window transparent plate (31) and
The offside of circumferencial direction breach rotating disk (33) and the both sides of radial direction breach rotating disk (32), are provided with annular groove, annular groove
Interior equidistantly distributed has ball (34), and the ball (34) is fixed by ball rack (35)；Window transparent plate (31) and circumferencial direction
Breach rotating disk (33) is made by magnetic material, and synonyms pole is staggered relatively, using magnetic force, by window transparent plate (31), half
Footpath direction breach rotating disk (32) and circumferencial direction breach rotating disk (33) are adsorbed.
4. the laser engraving machine light channel structure according to claim 1,2 or 3, it is characterised in that window transparent plate (31) is solid
There are two identical grooves be arrangeding in parallel, the groove covering 360- α in Dingan County on sleeve (5) on the sleeve (5)
The circumference of angle；Radial direction breach rotating disk (32) and circumferencial direction breach rotating disk (33) side are provided with spanner (36), institute
State spanner (36) to be stretched out from the groove being arranged on sleeve (5), pull spanner (36), realize radial direction breach rotating disk (32)
With the rotation of circumferencial direction breach rotating disk (33).
5. laser engraving machine light channel structure according to claim 4, it is characterised in that be equidistantly provided with the groove
360/ α sipes, is provided with the through hole for pointing to sipes both sides on the spanner (36), spring (37) is provided with through hole, described
The both sides of spring (37) are mounted on cap nut (38)；In its natural state, the distance between two caps (38) are big for spring (37)
In groove width, under compression, the distance between two caps (38) are less than groove width to spring (37).
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810016728.1A CN107984081B (en) | 2017-01-11 | 2017-01-11 | Laser engraving machine light channel structure |
| CN201710020922.2A CN106695114B (en) | 2017-01-11 | 2017-01-11 | A kind of laser engraving machine light channel structure |
| CN201810016729.6A CN108080784B (en) | 2017-01-11 | 2017-01-11 | A kind of light channel structure towards laser engraving machine |
| CN201810016727.7A CN107984080B (en) | 2017-01-11 | 2017-01-11 | A kind of light channel structure for laser engraving machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710020922.2A CN106695114B (en) | 2017-01-11 | 2017-01-11 | A kind of laser engraving machine light channel structure |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810016728.1A Division CN107984081B (en) | 2017-01-11 | 2017-01-11 | Laser engraving machine light channel structure |
| CN201810016729.6A Division CN108080784B (en) | 2017-01-11 | 2017-01-11 | A kind of light channel structure towards laser engraving machine |
| CN201810016727.7A Division CN107984080B (en) | 2017-01-11 | 2017-01-11 | A kind of light channel structure for laser engraving machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106695114A true CN106695114A (en) | 2017-05-24 |
| CN106695114B CN106695114B (en) | 2018-05-25 |
Family
ID=58907488
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710020922.2A Expired - Fee Related CN106695114B (en) | 2017-01-11 | 2017-01-11 | A kind of laser engraving machine light channel structure |
| CN201810016727.7A Expired - Fee Related CN107984080B (en) | 2017-01-11 | 2017-01-11 | A kind of light channel structure for laser engraving machine |
| CN201810016728.1A Expired - Fee Related CN107984081B (en) | 2017-01-11 | 2017-01-11 | Laser engraving machine light channel structure |
| CN201810016729.6A Expired - Fee Related CN108080784B (en) | 2017-01-11 | 2017-01-11 | A kind of light channel structure towards laser engraving machine |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810016727.7A Expired - Fee Related CN107984080B (en) | 2017-01-11 | 2017-01-11 | A kind of light channel structure for laser engraving machine |
| CN201810016728.1A Expired - Fee Related CN107984081B (en) | 2017-01-11 | 2017-01-11 | Laser engraving machine light channel structure |
| CN201810016729.6A Expired - Fee Related CN108080784B (en) | 2017-01-11 | 2017-01-11 | A kind of light channel structure towards laser engraving machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN106695114B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453692B (en) * | 2020-12-01 | 2022-03-29 | 强一半导体（苏州）有限公司 | MEMS probe laser etching method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11195580A (en) * | 1997-12-25 | 1999-07-21 | Ball Semiconductor Inc | Apparatus and method for exposing semiconductors |
| JP2002258212A (en) * | 2001-03-02 | 2002-09-11 | Ricoh Co Ltd | Lighting system for projector |
| US20060028834A1 (en) * | 2004-08-09 | 2006-02-09 | Miller Jack V | Hybrid fiber optic framing projector |
| CN104359424A (en) * | 2014-10-09 | 2015-02-18 | 无锡中科光电技术有限公司 | Ellipsoid mirror surface shape detection device and method |
| CN205539738U (en) * | 2016-03-31 | 2016-08-31 | 长春博信光电子有限公司 | Beam enlarging lens |
| CN105911716A (en) * | 2016-04-11 | 2016-08-31 | 中国科学院西安光学精密机械研究所 | Device and method for adjusting optical path of tested lens in transfer function test |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4942583A (en) * | 1988-06-17 | 1990-07-17 | Hewlett-Packard Company | Misalignment-tolerant, grating-tuned external-cavity laser |
| DE4345010A1 (en) * | 1993-12-30 | 1995-07-06 | Ni Skij Masinostroitel Nyj I | Appts. for light beam welding and soldering |
| ES2381254T3 (en) * | 2002-12-05 | 2012-05-24 | Hamamatsu Photonics K.K. | Laser processing devices |
| ATE416878T1 (en) * | 2004-08-06 | 2008-12-15 | Trumpf Werkzeugmaschinen Gmbh | LASER PROCESSING HEAD |
| CN101323053A (en) * | 2008-07-16 | 2008-12-17 | 上海大学 | Femtosecond laser microsphere perforating method and apparatus |
| IT1394891B1 (en) * | 2008-07-25 | 2012-07-20 | Matteo Baistrocchi | SCRIBING LASER PLANT FOR THE SURFACE TREATMENT OF MAGNETIC SIDES WITH ELLIPTICAL SECTION SPOT |
| CN103631017B (en) * | 2013-11-15 | 2016-01-06 | 广州市浩洋电子有限公司 | The optical system of the varifocal imaging lamp of a kind of LED |
| CN104501042A (en) * | 2014-12-15 | 2015-04-08 | 天津大学 | Engineering diffuser-based infrared spectrometer light source system |
| DE102015201300A1 (en) * | 2015-01-26 | 2016-07-28 | Osram Gmbh | Lighting device with light source and reflector with ellipsoidal reflecting surface |
| CN104570363B (en) * | 2015-02-03 | 2018-06-01 | 大族激光科技产业集团股份有限公司 | A kind of Gaussian laser beam shaping methods and device and precise laser micropore processing device |
-
2017
- 2017-01-11 CN CN201710020922.2A patent/CN106695114B/en not_active Expired - Fee Related
- 2017-01-11 CN CN201810016727.7A patent/CN107984080B/en not_active Expired - Fee Related
- 2017-01-11 CN CN201810016728.1A patent/CN107984081B/en not_active Expired - Fee Related
- 2017-01-11 CN CN201810016729.6A patent/CN108080784B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11195580A (en) * | 1997-12-25 | 1999-07-21 | Ball Semiconductor Inc | Apparatus and method for exposing semiconductors |
| JP2002258212A (en) * | 2001-03-02 | 2002-09-11 | Ricoh Co Ltd | Lighting system for projector |
| US20060028834A1 (en) * | 2004-08-09 | 2006-02-09 | Miller Jack V | Hybrid fiber optic framing projector |
| CN104359424A (en) * | 2014-10-09 | 2015-02-18 | 无锡中科光电技术有限公司 | Ellipsoid mirror surface shape detection device and method |
| CN205539738U (en) * | 2016-03-31 | 2016-08-31 | 长春博信光电子有限公司 | Beam enlarging lens |
| CN105911716A (en) * | 2016-04-11 | 2016-08-31 | 中国科学院西安光学精密机械研究所 | Device and method for adjusting optical path of tested lens in transfer function test |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108080784A (en) | 2018-05-29 |
| CN107984081B (en) | 2019-05-03 |
| CN107984080B (en) | 2019-05-03 |
| CN106695114B (en) | 2018-05-25 |
| CN107984081A (en) | 2018-05-04 |
| CN107984080A (en) | 2018-05-04 |
| CN108080784B (en) | 2019-05-28 |
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