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:
Dec. 03, 2019
Filed:
Nov. 16, 2017
China Wafer Level Csp Co., Ltd., Suzhou, Jiangsu, CN;
China Wafer Level CSP Co., Ltd., Suzhou, Jiangsu, CN;
Abstract
A fingerprint sensing chip packaging method and package are provided. The method includes: providing a cover plate, providing a fingerprint sensing chip, where a fingerprint sensing region and contact pads at periphery of the region are arranged on a front surface of the chip, electrically connecting the contact pads to a back surface of the chip, forming a first conductive structure electrically connected to the contact pads on the back surface of the chip, laminating the front surface of the chip with a back surface of the cover plate, providing a flexible printed circuit, where a second conductive structure is arranged on a back surface of the circuit and an opening is arranged in the circuit, laminating a front surface of the circuit with the back surface of the cover plate, and electrically connecting the first conductive structure to the second conductive structure.