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Class Information
Number: 148/DIG.104
Name: Metal treatment > Mask, movable
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
5622787 Mask for transferring a pattern for use in a semiconductor device and method of manufacturing the same Apr. 22, 1997
5420067 Method of fabricatring sub-half-micron trenches and holes May. 30, 1995
5413956 Method for producing a semiconductor laser device May. 9, 1995
5306665 Manufacturing a wiring for a semiconductor device by a forwardly tapered stack of two conductor films Apr. 26, 1994
5294565 Crystal growth method of III - V compound semiconductor Mar. 15, 1994
5213992 Rippled polysilicon surface capacitor electrode plate for high density DRAM May. 25, 1993
4929571 Method of making a buried crescent laser with air gap insulator May. 29, 1990
4883770 Selective NIPI doping super lattice contacts and other semiconductor device structures formed by shadow masking fabrication Nov. 28, 1989
4880754 Method for providing engineering changes to LSI PLAs Nov. 14, 1989
4771017 Patterning process Sep. 13, 1988
4675981 Method of making implanted device regions in a semiconductor using a master mask member Jun. 30, 1987
4411728 Method for manufacture of interdigital periodic structure device Oct. 25, 1983
4330932 Process for preparing isolated junctions in thin-film semiconductors utilizing shadow masked deposition to form graded-side mesas May. 25, 1982











 
 
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