Glass for laser processing and method for producing perforated glass using same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10717670
APP PUB NO 20180029924A1
SERIAL NO

15549939

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention provides a glass composition that allows holes with a circular contour and a smooth inner wall to be formed by a collective micro-hole-forming process using a combination of modified portion formation by ultraviolet laser irradiation and etching, the glass composition being adapted for practical continuous production. The present invention relates to a glass for laser processing, the glass including a metal oxide serving as a coloring component, the glass having a glass composition including, in mol %: 45.0%≤SiO2≤68.0%; 2.0%≤B2O3≤20.0%; 3.0%≤Al2O3≤20.0%; 0.1%≤TiO2≤5.0%; and 0%≤ZnO≤9.0%, wherein a relationship of 0≤Li2O+Na2O+K2O<2.0% is satisfied.

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Patent Owner(s)

Patent OwnerAddress
NIPPON SHEET GLASS COMPANY LIMITED5-27 MITA 3-CHOME MINATO-KU TOKYO 1086321

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Inoue, Teruhide Kanagawa, JP 10 44
Kurachi, Junji Hyogo, JP 45 685

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