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Patent Searching and Data


Title:
MARKING DEVICE
Document Type and Number:
Japanese Patent JPH01278738
Kind Code:
A
Abstract:

PURPOSE: To facilitate an adjustment of the angle of a marker, to make it possible to put a marking on arbitrary positions and to make it possible to inhibit the failure of marking in a semiconductor inspecting process to the minimum by a method wherein the marker is constituted into a structure, wherein the angle of the marker at a time when a marking is put on semiconductor defective chips can be arbitrarily set.

CONSTITUTION: A marking device is provided with angle adjusting functions at the time of marking. That is, a variable marking angle block 14, a fixed marking angle arm 15 and a fixed marking angle auxiliary arm 16 are provided. The angle of the marking device is arbitrarily changed by these arms 15 and 16 and a marking position on defective chips can be decided arbitrarily. Thereby, adhesion of ink to a probing needle to measure element characteristics according to the sizes of semiconductor chips is prevented and it becomes possible to put a marking on the defective chips.


Inventors:
TOKUNAGA TORAJI
SODA MASAJI
HIROSE TAKESHI
Application Number:
JP10936588A
Publication Date:
November 09, 1989
Filing Date:
May 02, 1988
Export Citation:
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Assignee:
MATSUSHITA ELECTRONICS CORP
International Classes:
G01R31/28; H01L21/66; G01R31/26; (IPC1-7): H01L21/66; G01R31/26; G01R31/28
Attorney, Agent or Firm:
Toshio Nakao (1 outside)