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Patent Searching and Data


Title:
METHOD AND DEVICE
Document Type and Number:
Japanese Patent JP2017075791
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method and a device for measuring the state of deformation of the substrate of a semiconductor device.SOLUTION: A semiconductor device 30 includes: a substrate 31 with a first surface 31a and a second surface 31b; and an element layer 32 on the first surface side. A light transmitting through the substrate 31 is applied to the second surface 31b and an interference figure is obtained by using a light reflected from the semiconductor device 30.SELECTED DRAWING: Figure 4

Inventors:
YAMAZAKI KAZUHISA
Application Number:
JP2015201948A
Publication Date:
April 20, 2017
Filing Date:
October 13, 2015
Export Citation:
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Assignee:
FUJITSU LTD
International Classes:
G01B11/16
Domestic Patent References:
JP2011080960A2011-04-21
JP2013172057A2013-09-02
JPH09511328A1997-11-11
JP2006343100A2006-12-21
JP2004294155A2004-10-21
Foreign References:
US20150243024A12015-08-27
Attorney, Agent or Firm:
Atsushi Aoki
Koichi Itsubo
Tsutomu Kono
Tetsuo Miyamoto