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:
Aug. 23, 2005

Filed:

Jun. 24, 2003
Applicants:

Je Hong Kyoung, Kyungki-do, KR;

Kook Hyun Sunwoo, Kyungki-do, KR;

Inventors:

Je Hong Kyoung, Kyungki-do, KR;

Kook Hyun Sunwoo, Kyungki-do, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H009/00 ;
U.S. Cl.
CPC ...
Abstract

An FBAR device includes a substrate structure provided with an upper surface, a seed layer formed on the upper surface of the substrate structure and made of one selected from gold (Au) and titanium (Ti), and one or more acoustic resonant portions. Each of the acoustic resonant portions includes a lower electrode film formed on the seed layer and made of molybdenum (Mo), a piezoelectric layer formed on the lower electrode film and made of aluminum nitride (AlN), and an upper electrode film formed on the piezoelectric layer.


Find Patent Forward Citations

Kyoung, Je. (2005). Film bulk acoustic resonator (fbar) device and method for producing the same (U.S. Patent No. 6933809). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6933809

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

Loading…