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.

Date of Patent:
Mar. 12, 1996

Filed:

Mar. 28, 1994
Applicant:
Inventors:

Kimihiro Wakabayashi, Ebina, JP;

Noriyuki Nebashi, Ebina, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23H / ;
U.S. Cl.
CPC ...
219 6917 ;
Abstract

A method and apparatus for micro-electric discharge machining that machines electrically resistant materials having high volume resistivity, such as Mn--Zn ferrite or single crystal silicon material, with a ciruit including an electrode connected to a positive terminal of a power supply and the workpiece of electrically resistant material is connected to a negative terminal of a power supply. The circuit can include a capacitor having a capacitance less than 5000 pF.


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