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Patent Searching and Data


Title:
SEMICONDUCTOR DEVICE, ITS FABRICATING PROCESS AND PHOTOMASK
Document Type and Number:
Japanese Patent JP2004273612
Kind Code:
A
Abstract:

To provide a semiconductor device having a mark for measurement capable of dealing with process variation while having one predetermined shape and suppressing increase in the occupancy of a mark arranging region, and to provide its fabricating process and a photomask.

An outer box mark is a multiple box mark BMK 1. An inner box mark BMK 2 is formed on a metal member ML covering the multiple box mark BMK 1. It is an alignment mark with the multiple box mark BMK 1 and has a square resist pattern. The multiple box mark BMK 1 is formed by quardruplicating a plurality of square frames (F1-F4) of different width in stripe on the insulating film IL above a semiconductor substrate and arranging a metal member PM in a plurality of trenches TR1-TR4 of different width.


Inventors:
MOCHIKU HIROSHI
Application Number:
JP2003059890A
Publication Date:
September 30, 2004
Filing Date:
March 06, 2003
Export Citation:
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Assignee:
SEIKO EPSON CORP
International Classes:
G03F1/42; G03F9/00; H01L21/027; (IPC1-7): H01L21/027; G03F1/08; G03F9/00
Attorney, Agent or Firm:
Mutsumi Yanase
Masaaki Utsunomiya
Atsushi Watanabe