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.:

US 7908722 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 22, 2011

Filed:

Oct. 15, 2008
Applicant:

Pengdi Han, Bolingbrook, IL (US);

Inventor:

Pengdi Han, Bolingbrook, IL (US);

Assignee:

H.C. Materials Corporation, Bolingbrook, IL (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/04 (2006.01); H02N 2/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A process for the preparation of piezoelectric single crystal elements involving the steps of mechanically finishing of a single crystal element with cuttings such as zxt±45°, coating electrodes on a pair of Z surfaces, poling the single crystal in a direction along the <011> axis under a 500V/mm electric field.


Find Patent Forward Citations

Han, Pengdi. (2011). Process for the preparation of piezoelectric crystal elements (U.S. Patent No. 7908722). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7908722

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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