(19)
(11) EP 0 783 767 A1

(12)

(43) Date of publication:
16.07.1997 Bulletin 1997/29

(21) Application number: 95944784.0

(22) Date of filing: 22.05.1995
(51) International Patent Classification (IPC): 
H01L 29/ 73( . )
H01L 29/ 10( . )
H03F 1/ 32( . )
H01L 21/ 331( . )
H01L 29/ 732( . )
(86) International application number:
PCT/US1995/006479
(87) International publication number:
WO 1996/010844 (11.04.1996 Gazette 1996/16)
(84) Designated Contracting States:
DE FR GB IT NL SE

(30) Priority: 30.09.1994 US 19940316166

(71) Applicant: SPECTRIAN, Inc.
Mountain View, CA 94043 (US)

(72) Inventors:
  • D'ANNA, Pablo E.
    Los Altos, CA 94022 (US)
  • McCALPIN, William H.
    Sunnyvale, CA 94086 (US)
  • WONG, Rickey C.
    San Jose, CA 95148 (US)

(74) Representative: Cross, Rupert Edward Blount, et al 
BOULT WADE TENNANT, 27 Furnival Street
London EC4A 1PQ
London EC4A 1PQ (GB)

   


(54) BIPOLAR TRANSISTOR FOR USE IN LINEAR AMPLIFIERS