The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 16, 2025

Filed:

Aug. 07, 2023
Applicant:

Chang Chun Plastics Co., Ltd., Taipei, TW;

Inventors:

Zih-I Chuang, Taipei, TW;

Yun-Jung Wu, Taipei, TW;

E-Ming Ho, Taipei, TW;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F 7/038 (2006.01); G03F 7/11 (2006.01);
U.S. Cl.
CPC ...
G03F 7/038 (2013.01); G03F 7/11 (2013.01);
Abstract

A photoresist film and application thereof are provided. The photoresist film has a thickness T with a unit of μm, and when the photoresist film is characterized by ultraviolet-visible spectroscopy, the photoresist film has an absorbance Aat 405 nm and an absorbance Aat 436 nm, wherein 0<A/T≤0.006 and 0<A/T≤0.005, and the thickness T is 60 μm to 600 μm.


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