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:
Jul. 15, 1980
Filed:
Sep. 13, 1978
Applicant:
Inventors:
Koichi Azuma, Osaka, JP;
Masahiro Nagasawa, Hirakata, JP;
Hiroshi Yamazoe, Katano, JP;
Masaki Aoki, Hirakata, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ; C23C / ;
U.S. Cl.
CPC ...
264 25 ; 264 81 ;
Abstract
A cantilever for a pickup cartridge comprising a base in the form of a solid rod or a pipe coated with a layer of a substance exhibiting a high modulus of elasticity ratio higher than 5000 Kg/mm.sup.2. The substance is for example boron or a boride. Described also is a process for manufacture of cantilevers wherein low pressure chemical vapor deposition or plasma chemical vapor deposition is used to cause the reaction between boron trichloride (BCl.sub.3) and hydrogen (H.sub.2) gases, thereby depositing boron or a boride on a base.