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:
Apr. 18, 1989
Filed:
Jul. 30, 1987
Shizuo Umemura, Ibaraki, JP;
Fuji Photo Film Co., Ltd., Tokyo, JP;
Research Development Corporation of Japan, Tokyo, JP;
Abstract
A microwave device comprises a substrate and fine metal particles having diameters of 0.1 .mu.m or smaller and arranged in a regular pattern on the substrate. In the preferred embodiment of the present invention, the substrate is subjected to electron beam irradiation in a stripe pattern and then a metal or alloy is deposited onto the irradiated area, thereby forming a regular arrangement of fine metal particle deposits which has not been successfully achieved by any prior art technique. The thus obtained device has a greatly improved high-frequency characteristics.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile