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:
Dec. 08, 2015
Filed:
Dec. 29, 2014
Sae Magnetics (H.k.) Ltd., Hong Kong, CN;
Wai Bun Ow, Hong Kong, CN;
Ho Kei Lam, Hong Kong, CN;
Cheuk Man Lui, Hong Kong, CN;
Kai Chiu Cheung, Hong Kong, CN;
Yuk Sing Lo, Hong Kong, CN;
Wah Chun Chan, Hong Kong, CN;
Juren Ding, Hong Kong, CN;
SAE Magnetics (H.K) Ltd., Hong Kong, CN;
Abstract
A method for evaluating bit error rate for a magnetic head by using a quasi-static test system, includes step (a), measuring a noise characteristic curve for a magnetic head, and the noise characteristic comprising noise amplitude and maximum noise amplitude; step (b), constructing a noise waveform by appropriately scaling a signal noise ratio of the magnetic head based on the noise characteristic curve measured in step (a); and step (c), injecting the noise waveform constructed in step (b) into a model comprising a transmitter module and a receiver module to evaluate a bit error rate. The method saves testing time, reduces manpower, and obtains accuracy testing result.