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Mask blank glass substrate
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Patent number 12,117,724
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Issue date Oct 15, 2024
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Shin-Etsu Chemical Co., Ltd.
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Naoki Yarita
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Method for lithography process
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Patent number 12,066,756
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Issue date Aug 20, 2024
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Taiwan Semiconductor Manufacturing Co., Ltd
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Chi-Hung Liao
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B81 - MICRO-STRUCTURAL TECHNOLOGY
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Method of preparing metal mask substrate
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Patent number 12,024,780
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Issue date Jul 2, 2024
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DARWIN PRECISIONS CORPORATION
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Chi-Wei Lin
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Mask blank glass substrate
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Patent number 11,835,853
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Issue date Dec 5, 2023
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Shin-Etsu Chemical Co., Ltd.
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Naoki Yarita
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Method for producing substrate
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Patent number 11,740,551
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Issue date Aug 29, 2023
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LG Chem, Ltd.
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Jun Haeng Lee
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Photomask and method for forming the same
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Patent number 11,681,215
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Issue date Jun 20, 2023
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Taiwan Semiconductor Manufacturing Company Ltd.
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Hsuan-Wen Wang
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Mask treating method
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Patent number 11,454,879
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Issue date Sep 27, 2022
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Samsung Electronics Co., Ltd.
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Yunsong Jeong
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Photomask
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Patent number 11,281,091
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Issue date Mar 22, 2022
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Taiwan Semiconductor Manufacturing Co., Ltd
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You-Hua Chou
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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