Electrode extension sheet for use in a lapping apparatus

Details Electrode extension sheet for use in a lapping apparatus Electrode extension sheet for use in a lapping apparatus

2007-01-23

2007-01-23

Kim, Paul D. (Department: 3729)

Metal working

Means to assemble or disassemble

Means to assemble electrical device

C029S603070, C029S603120, C029S603170, C029S739000, C029S760000, C156S268000, C156S345420, C269S013000, C269S014000, C360S235700, C360S235800, C360S236300, C360S236500, C360S236600, C360S237000, C414S222120, C414S226050, C451S005000, C451S041000

Reexamination Certificate

active

10311214

ABSTRACT:
The present invention is an object to provide an apparatus or a method making it possible to easily effect connection between additional electrodes, etc. and lead electrodes when performing a processing for achieving a predetermined throat height value or crown processing or the like and making it possible to measure the requisite lapping amount. For achieving the object, a flexible electrode extension sheet is used which consists of a portion for retaining a ceramic bar in which element portions are formed and a portion where there are formed wirings respectively in correspondence with the elements and adapted to be connected to these elements, in which these wirings, which can be easily connected to an external measurement system, are electrically connected to the elements, whereby the lapping amount is easily obtained from the characteristic amount of the elements in the lapping process.

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“Precision machining of rigid disk head sliders”; Gatzen, H.H.; Maetzig, J.C.; Schwabe, M.K.; Magnetics, IEEE Transactions on vol.: 32 , Issue: 3 , May 1996; pp.: 1843-1849.

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