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.:

US 6704170 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 09, 2004

Filed:

Nov. 05, 2001
Applicant:
Inventors:

David Joseph Bagaoisan, Milpitas, CA (US);

Tim Lincoln, San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 2/108 ; B29B 7/00 ; B29B 4/500 ;
U.S. Cl.
CPC ...
G11B 2/108 ; B29B 7/00 ; B29B 4/500 ;
Abstract

A method is provided for forming a body for a hard disk carriage assembly from polyphenylene sulfide 40% glass fill. An injection mold is heated to approximately 130° C.; then a volume of polyphenylene sulfide 40% glass fill is injected into the mold to form the body of the carriage assembly. The polyphenylene sulfide 40% glass fill is then cooled within the mold for approximately 45 seconds before the body is ejected from the mold cavity. The body is then heated to approximately 130° C. for at least 2 hours in a post-bake operation.


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Bagaoisan, David. (2004). Actuator molding and baking process parameters for polyphenylene sulfide 40% glass fill for high temperature overmold carriage operation in hard disk drives (U.S. Patent No. 6704170). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6704170

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