[특허]Glass cutting systems and methods using non-diffracting laser beams

Glass cutting systems and methods using non-diffracting laser beams 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C03B-033/10 B23K-026/382 B23K-026/067 B23K-026/40 B23K-026/06 B23K-026/402 C03B-033/02 B23K-026/064 B23K-026/0622 B23K-103/00
출원번호	US-0943765 (2015-11-17)
등록번호	US-10047001 (2018-08-14)
발명자 / 주소	West, James Andrew
출원인 / 주소	Corning Incorporated
대리인 / 주소	Bray, Kevin L.
인용정보	피인용 횟수 : 0 인용 특허 : 113

초록 ▼

Embodiments are directed to systems for laser cutting at least one glass article comprising a pulsed laser assembly and a glass support assembly configured to support the glass article during laser cutting within the pulsed laser assembly, wherein the pulsed laser assembly comprises at least one non-diffracting beam (NDB) forming optical element configured to convert an input beam into a quasi-NDB beam; and at least one beam transforming element configured to convert the quasi-NDB beam into multiple quasi-NDB sub-beams spaced apart a distance of about 1 μm to about 500 μm; wherein the pulsed laser assembly is oriented to deliver one or more pulses of multiple quasi-NDB sub-beams onto a surface of the glass article, wherein each pulse of multiple quasi-NDB sub-beams is operable to cut a plurality of perforations in the glass article.

대표청구항 ▼

1. A system for laser cutting at least one glass article comprising a pulsed laser assembly and a glass support assembly configured to support the glass article during laser cutting within the pulsed laser assembly, wherein the pulsed laser assembly comprises at least one non-diffracting beam forming optical element configured to convert an input beam into a quasi-non-diffracting beam; andat least one beam transforming element configured to convert the quasi-non-diffracting beam into multiple quasi-non-diffracting sub-beams spaced apart a distance of about 1 μm to about 500 μm;wherein the pulsed laser assembly is oriented to deliver one or more pulses of the multiple quasi-non-diffracting sub-beams onto a surface of the glass article, wherein each of the one or more pulses of multiple quasi-non-diffracting sub-beams is operable to cut a plurality of perforations in the glass article. 2. The system of claim 1 further comprising at least one collimating lens configured to narrow the quasi-non-diffracting beam from the at least one non-diffracting beam forming optical element. 3. The system of claim 2 wherein the beam transforming element is oriented downstream of the collimating lens. 4. The system of claim 3 wherein the beam transforming element is oriented proximate a Fourier-transform plane produced by the collimating lens. 5. The system of claim 1 further comprising at least one additional collimating lens downstream of the beam transforming element and configured to focus the multiple quasi-non-diffracting sub-beams. 6. The system of claim 5 wherein the beam transforming element is oriented within a focal length of the additional collimating lens. 7. The system of claim 1 wherein the input beam is a Gaussian beam. 8. The system of claim 1 wherein the multiple quasi-non-diffracting sub-beams are parallel to one another and spaced apart a distance of about 1 μm to about 20 μm. 9. The system of claim 1 wherein the beam transforming element is chosen from a phase grating, an amplitude grating, or combinations thereof, and the non-diffracting beam forming optical element is chosen from an axicon, a spatial light modulator, an elliptical lens, or combinations thereof. 10. The system of claim 1 wherein the beam transforming element is configured to shift a phase of at least one of the multiple quasi-non-diffracting sub-beams from about π/4 to about 2π. 11. The system of claim 1 wherein the quasi-non-diffracting beam is a Bessel beam, an Airy beam, a Weber beam, or a Mathieu beam. 12. A system for laser cutting at least one glass article comprising a pulsed laser assembly and a glass support assembly configured to support the glass article during laser cutting within the pulsed laser assembly, wherein the pulsed laser assembly comprises at least one axicon configured to convert a Gaussian beam into a Bessel beam;first and second collimating lenses disposed downstream of the axicon; andat least one beam transforming element oriented between the first and second collimating lenses, wherein the at least one beam transforming element is configured to convert the Bessel beam into multiple sub-Bessel beams which are parallel and spaced apart a distance of about 1 μm to about 500 μm;wherein the pulsed laser assembly is oriented to deliver one or more pulses of multiple sub-Bessel beams onto a surface of the glass article, wherein each of the one or more pulses of multiple sub-Bessel beams is operable to cut a plurality of perforations in the glass article. 13. The system of claim 12 wherein the beam transforming element is a phase grating, an amplitude grating, or combinations thereof. 14. The system of claim 12 wherein the multiple sub-Bessel beams are spaced apart a distance about 1 μm to about 20 μm. 15. The system of claim 12 wherein the beam transforming element is oriented proximate a Fourier-transform plane produced by the first collimating lens. 16. The system of claim 12 wherein the beam transforming element is oriented within a focal length of the second collimating lens.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
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안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Glass cutting systems and methods using non-diffracting laser beams 원문보기

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Glass cutting systems and methods using non-diffracting laser beams 원문보기

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