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:
Feb. 24, 1981
Filed:
Dec. 27, 1977
Applicant:
Inventor:
Makoto Wakasugi, Sayama, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427 531 ; 427100 ; 427272 ; 427282 ;
Abstract
A metal electrode film is formed by evaporation on a tuning fork-type quartz crystal vibrator by means of a thin flat mask which has a portion of reduced thickness so that the metallic evaporant is deposited beneath the thinner portion of the mask. In forming electrodes on a tuning fork-type quartz crystal vibrator having X, Y and Z surfaces, a mask has a portion which is positioned in the X-plane between the evaporative deposition source and the inner end of the slit between the tines of vibrator so that the metallic film is prevented from being deposited on portions of the X and Y surfaces of the vibrator adjacent to the inner end of the slit.