Gerd Ballhorn

发表

Gerd Ballhorn, Martin Bloecker, Danny Keogan, 2002, Photomask Technology.

Gerd Ballhorn, 2002, SPIE Photomask Technology.

Jens Schneider, Gerd Ballhorn, Martin Bloecker, 2002, Photomask Technology.

Gerd Ballhorn, Martin Bloecker, 2002, Photomask Japan.

Gerd Ballhorn, Martin Bloecker, Danny Keogan, 2003, European Mask and Lithography Conference.

Wolfram Ziegler, Gerd Ballhorn, Joerg Thiele, 2001, SPIE Photomask Technology.