Photomask blank

Details Photomask blank Photomask blank

2008-05-13

2008-05-13

Sikder, Selina (Department: 2912)

Equipment for production, distribution, or transformation of ene

Distribution, modification or control

Semiconductor, transistor or integrated circuit

Design Patent

active

29276360

CLAIM:
The ornamental design for a photomask blank, as shown and described.

REFERENCES:
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patent: D502866 (2005-03-01), Woollard
patent: D537048 (2007-02-01), Mitsui
patent: D543160 (2007-05-01), Mitsui et al.
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patent: 2003/0118918 (2003-06-01), Ohta
patent: 2003/0198873 (2003-10-01), Kokjohn
patent: 2004/0265708 (2004-12-01), Misaka
patent: 2005/0120326 (2005-06-01), Semmler et al.
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patent: 2005/0269814 (2005-12-01), Dillavou et al.
U.S. Appl. No. 29/213,840, filed Sep. 23, 2004, Inventor: Masaru Mitsui; Entitled: Photomask Blank.

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