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.
Patent No.:
Date of Patent:
Mar. 03, 2020
Filed:
Apr. 13, 2018
Applicant:
Chipbond Technology Corporation, Hsinchu, TW;
Inventors:
Chin-Tang Hsieh, Kaohsiung, TW;
Chun-Te Lee, Hsinchu County, TW;
Assignee:
CHIPBOND TECHNOLOGY CORPORATION, Hsinchu, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/498 (2006.01); H01L 23/00 (2006.01); H01L 23/31 (2006.01);
U.S. Cl.
CPC ...
H01L 23/4985 (2013.01); H01L 23/3185 (2013.01); H01L 23/49838 (2013.01); H01L 23/562 (2013.01); H01L 24/16 (2013.01); H01L 2224/16225 (2013.01); H01L 2224/32225 (2013.01); H01L 2224/73204 (2013.01); H01L 2924/1426 (2013.01);
Abstract
A chip on film package includes a chip and a flexible substrate having a film and a circuit layer. The circuit layer is formed on a first surface of the film and electrically connected to the chip. At least one groove is recessed on a second surface of the film. The flexible substrate is bent to form flat portions and at least one curved portion located between the flat portions when it is bonded to external electronic components. The groove is located on the curved portion and provided to protect the curved portion of the flexible substrate from breaking.