(19)
(11) EP 0 990 163 A1

(12)

(43) Date of publication:
05.04.2000 Bulletin 2000/14

(21) Application number: 97924660.0

(22) Date of filing: 12.05.1997
(51) International Patent Classification (IPC)7: G01R 31/02, G01R 1/04
(86) International application number:
PCT/US9707/940
(87) International publication number:
WO 9743/658 (20.11.1997 Gazette 1997/50)
(84) Designated Contracting States:
BE DE FR GB IE IT NL PT

(30) Priority: 13.05.1996 US 645343

(71) Applicant: Aehr Test Systems
Mountain View, CA 94043 (US)

(72) Inventors:
  • FOO, See-Hack
    Fremont, CA 94539 (US)
  • POSEDEL, Rhea
    Belmont, CA 94022 (US)
  • LAPE, Larry
    Mountain View, CA 94043 (US)
  • WRENN, James
    Palo Alto, CA 94301 (US)
  • WANG, Ernie
    Foster City, CA 94404 (US)
  • BURKE, Paul
    Hayward, CA 94545 (US)
  • BUCK, Carl
    Cupertino, CA 95014 (US)

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


(56) References cited: : 
   
       


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