CH572798A5 - Conical holes produced by laser beam - using diaphragm with apertures of different dia. and driven by stepper motor - Google Patents

Conical holes produced by laser beam - using diaphragm with apertures of different dia. and driven by stepper motor

Info

Publication number
CH572798A5
CH572798A5 CH42674A CH42674A CH572798A5 CH 572798 A5 CH572798 A5 CH 572798A5 CH 42674 A CH42674 A CH 42674A CH 42674 A CH42674 A CH 42674A CH 572798 A5 CH572798 A5 CH 572798A5
Authority
CH
Switzerland
Prior art keywords
laser beam
holes
driven
stepper motor
conical holes
Prior art date
Application number
CH42674A
Original Assignee
Lasag Sa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lasag Sa filed Critical Lasag Sa
Priority to CH42674A priority Critical patent/CH572798A5/en
Publication of CH572798A5 publication Critical patent/CH572798A5/en

Links

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
    • B23K26/36—Removing material
    • B23K26/40—Removing material taking account of the properties of the material involved
    • 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
    • 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
    • B23K26/0665—Shaping the laser beam, e.g. by masks or multi-focusing by beam condensation on the workpiece, e.g. for focusing
    • 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
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting
    • B23K26/382—Removing material by boring or cutting by boring
    • 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
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting
    • B23K26/382—Removing material by boring or cutting by boring
    • B23K26/389—Removing material by boring or cutting by boring of fluid openings, e.g. nozzles, jets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/16—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass plates with holes of very small diameter, e.g. for spinning or burner nozzles
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/0036—Laser treatment
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • 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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
    • 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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
    • B23K2103/52—Ceramics

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Lasers (AREA)
  • Laser Beam Processing (AREA)

Abstract

Process for producing precision holes, using pulsed or continuous laser radiation, the novelty being that form pulse to pulse, or in prescribed intervals of time, the local intensity-distribution of the laser beam is altered as a function of time. In the pref. device, a screen is inserted in the laser-resonator and the dia. of the aperture is altered from pulse or in prescribed steps w.r.t. time. The screen may be located near the max. reflection mirror or near the catcher mirror and it pref. consists of a disc provided with holes of different dia. arranged in a circle, the disc being driven by a stepper motor. Drilling holes using a laser beam, esp. in hard or brittle matls., e.g. sapphire, diamond, ceramics or metals, partic. conical holes and blind conical holes e.g. in diamond drawing dies or jewelled bearings for measuring instruments.
CH42674A 1974-01-14 1974-01-14 Conical holes produced by laser beam - using diaphragm with apertures of different dia. and driven by stepper motor CH572798A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CH42674A CH572798A5 (en) 1974-01-14 1974-01-14 Conical holes produced by laser beam - using diaphragm with apertures of different dia. and driven by stepper motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH42674A CH572798A5 (en) 1974-01-14 1974-01-14 Conical holes produced by laser beam - using diaphragm with apertures of different dia. and driven by stepper motor

Publications (1)

Publication Number Publication Date
CH572798A5 true CH572798A5 (en) 1976-02-27

Family

ID=4186749

Family Applications (1)

Application Number Title Priority Date Filing Date
CH42674A CH572798A5 (en) 1974-01-14 1974-01-14 Conical holes produced by laser beam - using diaphragm with apertures of different dia. and driven by stepper motor

Country Status (1)

Country Link
CH (1) CH572798A5 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000047359A1 (en) * 1999-02-11 2000-08-17 Robert Bosch Gmbh Method for making defined conical holes using a laser beam
US6201213B1 (en) * 1996-10-01 2001-03-13 Mitsubishi Denki Kabushiki Kaisha Method and device for machining a wiring board utilizing light shielding of a laser beam to select a machined tapering
US6285001B1 (en) * 1995-04-26 2001-09-04 3M Innovative Properties Company Method and apparatus for step and repeat exposures
US6744010B1 (en) * 1991-08-22 2004-06-01 United Technologies Corporation Laser drilled holes for film cooling

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6744010B1 (en) * 1991-08-22 2004-06-01 United Technologies Corporation Laser drilled holes for film cooling
US6285001B1 (en) * 1995-04-26 2001-09-04 3M Innovative Properties Company Method and apparatus for step and repeat exposures
US6201213B1 (en) * 1996-10-01 2001-03-13 Mitsubishi Denki Kabushiki Kaisha Method and device for machining a wiring board utilizing light shielding of a laser beam to select a machined tapering
US6420676B2 (en) 1996-10-01 2002-07-16 Mitsubishi Denki Kabushiki Kaisha Method for machining wiring board with laser beam and device for same
WO2000047359A1 (en) * 1999-02-11 2000-08-17 Robert Bosch Gmbh Method for making defined conical holes using a laser beam
US6518543B1 (en) 1999-02-11 2003-02-11 Robert Bosch Gmbh Method for making defined conical holes using a laser beam

Similar Documents

Publication Publication Date Title
OA04619A (en) Method and apparatus for automatic and regulated perforation of a workpiece by laser beam.
CA953210A (en) Precision cutting apparatus and method of operation therefor
CH572798A5 (en) Conical holes produced by laser beam - using diaphragm with apertures of different dia. and driven by stepper motor
GB1239797A (en) Method and apparatus for x-ray fluorescence gauging of a higher atomic number selected element in a coating on a base.
IT1037949B (en) METHOD AND CUTTING APPARATUS WITH DEFLECTION OF THE BLADES USED FOR SAWING OPERATIONS
GB1373181A (en) Method of and apparatus for drilling workpieces by means of laser beams
ES418367A1 (en) Method and apparatus for making disc records
ES2017906A4 (en) DEVICE AND METHOD FOR CODING AND DECODING THE CONVERSATION SIGNAL THROUGH MULTI-PULSE EXCITATION.
CA974600A (en) Method and installation for the precision treatment of workpieces through laser beams
ATE102107T1 (en) METHOD AND DEVICE FOR TREATMENT OF MATERIALS BY LASER.
JPS56164509A (en) Trimming method for laminated-core inductance element
Ebeling Application of high speed holocinematographical methods in cavitation research
GB1525818A (en) Alarm generating apparatus
JPS5698829A (en) Gap setting device
JPS5239393A (en) Laser oscillation device
SU884526A1 (en) Laser
Kaczmarek Generation and measurement of picosecond light pulses(Nd glass and ruby lasers in mode locking operation for picosecond light pulses emission, noting pulse duration measurement)
JPS5210757A (en) Measuring method of a jet solder wave
GB1024687A (en) Laser excitation of atomic spectra
JPS5470058A (en) Production of filter for light attenuator
JPS51132993A (en) Laser tube
CA908876A (en) Method and apparatus for calibrating pulsed neutron well logging instrument
FRENCH On the theory and analysis of occultation light curves[Ph. D. Thesis]
AU7761675A (en) Flashlamp pumped laser device employing fluid material for producing laser beam
DE2110869A1 (en) Device for the orientation of a semiconductor single crystal rod to be sawn into wafers

Legal Events

Date Code Title Description
PL Patent ceased