Method and apparatus for laser scribing glass sheet substrate coatings

Borgeson, Frank A.; Hanak, Joseph J.; Harju, Ricky S.; Helman, Norman L.; Hecht, Kenneth R.

Title: Method and apparatus for laser scribing glass sheet substrate coatings

Abstract

A method and apparatus (42) for laser scribing coatings on glass sheet substrates by conveying the substrate adjacent a laser source (83) that provides a pulsed laser beam (84) with a wavelength at a near-infrared fundamental frequency and having a frequency in the range of 50 to 100 kilohertz and a pulse duration in the range of 8 to 70 nanoseconds, and by reflecting the beam by an XYZ galvanometer controlled mirror system (90) toward an uncoated surface of the substrate for passage therethrough to the coating on the other surface to provide overlapping ablations through the coating and scribing at a speed of at least 1000 millimeters per second.

Inventors:: Borgeson, Frank A.; Hanak, Joseph J.; Harju, Ricky S.; Helman, Norman L.; Hecht, Kenneth R.

Issue Date:: 2003-05-06

Research Org.:: National Renewable Energy Lab. (NREL), Golden, CO (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1174307

Patent Number(s):: 6559411

Application Number:: 09/928,203

Assignee:: First Solar, LLC (Perrysburg, OH)

Patent Classifications (CPCs):: Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

C - CHEMISTRY C03 - GLASS C03C - CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS

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Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E10/50 - Photovoltaic [PV] energy

C - CHEMISTRY C03 - GLASS C03C - CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS
C03C2218/328 - Partly or completely removing a coating
C03C23/0025 - {by a laser beam}
C03C17/001 - {General methods for coating

B - PERFORMING OPERATIONS B23 - MACHINE TOOLS B23K - SOLDERING OR UNSOLDERING
B23K2103/172 - {wherein at least one of the layers is non-metallic}
B23K26/40 - taking account of the properties of the material involved
B23K26/082 - Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
B23K26/0838 - {by using an endless conveyor belt}
B23K26/364 - for making a groove or trench, e.g. for scribing a break initiation groove

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01L - SEMICONDUCTOR DEVICES
H01L31/0463 - characterised by special patterning methods to connect the PV cells in a module, e.g. laser cutting of the conductive or active layers
H01L31/18 - Processes or apparatus peculiar to the manufacture or treatment of these devices or of parts thereof

B - PERFORMING OPERATIONS B23 - MACHINE TOOLS B23K - SOLDERING OR UNSOLDERING
B23K26/0622 - by shaping pulses

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DOE Contract Number:: AC36-98GO10337

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE

Citation Formats


                    Borgeson, Frank A., Hanak, Joseph J., Harju, Ricky S., Helman, Norman L., and Hecht, Kenneth R. Method and apparatus for laser scribing glass sheet substrate coatings.  United States: N. p., 2003. 
        Web.

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                    Borgeson, Frank A., Hanak, Joseph J., Harju, Ricky S., Helman, Norman L., & Hecht, Kenneth R. Method and apparatus for laser scribing glass sheet substrate coatings.  United States.

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                    Borgeson, Frank A., Hanak, Joseph J., Harju, Ricky S., Helman, Norman L., and Hecht, Kenneth R. Tue .  
        "Method and apparatus for laser scribing glass sheet substrate coatings".  United States.  https://www.osti.gov/servlets/purl/1174307.

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@article{osti_1174307,

  title        = {Method and apparatus for laser scribing glass sheet substrate coatings},

  author       = {Borgeson, Frank A. and Hanak, Joseph J. and Harju, Ricky S. and Helman, Norman L. and Hecht, Kenneth R.},

  abstractNote = {A method and apparatus (42) for laser scribing coatings on glass sheet substrates by conveying the substrate adjacent a laser source (83) that provides a pulsed laser beam (84) with a wavelength at a near-infrared fundamental frequency and having a frequency in the range of 50 to 100 kilohertz and a pulse duration in the range of 8 to 70 nanoseconds, and by reflecting the beam by an XYZ galvanometer controlled mirror system (90) toward an uncoated surface of the substrate for passage therethrough to the coating on the other surface to provide overlapping ablations through the coating and scribing at a speed of at least 1000 millimeters per second.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2003},

  month        = {5}

}

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Works referenced in this record:

Laser scribing of polycrystalline thin films
journal, July 2000

Compaan, A. D.; Matulionis, I.; Nakade, S.
Optics and Lasers in Engineering, Vol. 34, Issue 1
https://doi.org/10.1016/S0143-8166(00)00061-0

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Title: Method and apparatus for laser scribing glass sheet substrate coatings

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Citation Formats

Laser scribing of polycrystalline thin films journal, July 2000

Laser scribing of polycrystalline thin films
journal, July 2000