Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Nobuo Osaki0
Masanori Tanimura0
Date of Patent
February 5, 2008
0Patent Application Number
110550270
Date Filed
February 9, 2005
0Patent Primary Examiner
Patent abstract
A method of making a thin-film chip resistor includes: a step of making a material plate A formed with lengthwise breaking grooves A1 and crosswise breaking grooves A2 along which the plate is to be divided into individual chip substrates 1 each to become a chip resistor; and a step of forming a film of resistive element material B by a thin-film process such as spattering, on a surface of the material plate A. The step of thin-film process, in which the resistive element material B is formed, is performed with a masking sheet E placed on the surface of the material plate A, covering only regions including the lengthwise breaking grooves A1 and the crosswise breaking grooves A2.
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