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. 13, 2010
Filed:
Nov. 24, 2004
Takehiro Kamigama, Kowloon, HK;
Huegung Wang, New Territories, HK;
Yiusing Ho, New Territories, HK;
Chunkau Leung, New Territories, HK;
Waikong Cheung, New Territories, HK;
Shinji Misawa, Kowloon, HK;
Jinsuo Sun, Dongguan, CN;
Wenxin Chang, Dongguan, CN;
Takehiro Kamigama, Kowloon, HK;
Huegung Wang, New Territories, HK;
Yiusing Ho, New Territories, HK;
Chunkau Leung, New Territories, HK;
Waikong Cheung, New Territories, HK;
Shinji Misawa, Kowloon, HK;
Jinsuo Sun, Dongguan, CN;
Wenxin Chang, Dongguan, CN;
SAE Magnetics (H.K.) Ltd., Hong Kong, CN;
Abstract
A new fixture which is capable of holding an HAS throughout all processes so that Quasi-Static Test can be done before swaging. Also, a process for testing the HAS by means of the fixture. An embodiment method may include loading head gimbal assemblies and an actuator using an automatic loading machine; in-line dressing of the head gimbal assemblies; ultrasonic bonding of the head gimbal assemblies; testing said head gimbal assemblies in-line while quasi-static; and if an head gimbal assemblies fails to pass the testing, rejecting and reworking in-line; in-line coating of the head gimbal assemblies; ultra-violet curing of the head gimbal assemblies; in-line swaging said head gimbal assemblies and actuator to form an head stack assemblies; and visual checking and unloading of said head stack assemblies.