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:
Sep. 27, 1977
Filed:
Feb. 14, 1975
Applicant:
Inventor:
Gerard Coussot, Paris, FR;
Assignee:
Thomson-CSF, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H / ; H03H / ; H03H / ; H01L / ;
U.S. Cl.
CPC ...
333 / ; 29 2535 ; 310312 ; 310313 ; 310366 ; 333 72 ;
Abstract
The present invention relates to the manufacture of surface acoustic wave transmission devices. The invention provides a method of cutting the edges of surface acoustic wave devices, which consists in directing on to that face designed to propagate said waves, a jet of abrasive particles.