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50 SEMI Members with Longest Continuous Memberships

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  • 1970 New Members
  • 1971
  • 1972
  • 1973
  • 1975
  • 1976
  • 1977
  • 1978
  • 1979
  • 1980
  • 1981
  • 1981
  • 1981
  • 1982
  • 19822

SEMI wishes to recognize the companies that have been SEMI members the longest.  Thank you for your commitment to supporting the work that SEMI does on the industry's behalf.  Your support has allowed us to create and publish SEMI Standards, establish Advocacy activities around the world, connect the ecosystem with SEMICONs and other event, and spur innovation with SEMI Programs and Technology Communities.

First 50 SEMI Members

Fluoroware
Uthe Technology
Thermco Systems
Kras Corp.
Bio-Rad Semiconductor Systems 
Matheson Electronic Products Group
Eaton Corp.
OCG Microelectronic Materials
Olin Hunt Specialty Products
Varian Associates
Alessi 
Applied Materials
Sunnyvale Valve & Fitting
Strasbaugh
Solid State Technology Magazine
Markem Corp.

CHA Industries
Mitsubishi Silicon America
Integrated Solutions
Daymarc
Pure Aire Corp.
AlliedSignal
FSI International
GaSonics IPC
Machine Technology 
Wadsworth Pacific
Quantronix Corp.
Electro Scientific Industries
E.I. Du Pont De Nemours & Co.
Epoxy Technology
Perkin-Elmer Corp.
Tylan General
Solid State Measurements
Photronics

Teledyne
Temptronic
Temescal
Hemlock Semiconductor Corp.
Furane Products
West Bond
Wild Leitz USA
Eastman Kodak 
Engineering Plastics
Hoke Inc.
Dage 
Static Control Systems/3M
Carborundum Corp
Lehighton Electronics
Solid State Equipment Corp
Saphikon
Teradyne

 

Second 50 Members

Topsil Semiconductor Materials
Vanguard West
Ablestik Laboratories
SpeedFam Corp.
Branson Ultrasonics Corp.
Laurier 
GaSonics Intl
Atomergic Chemetals
Karl Suss KG 
OSRAM Sylvania
ADE 
Dexter Electronic Materials
Small Precision Tools
Tamarack Scientific 
MGI Electronics
Wentworth Laboratories
MTI Corp.

Leybold Inficon
MKS Instruments
Ametek
LFE Plasma Systems
Siemens
Headway Research
Gelman Sciences
Accurate Gas Control Systems
The Micromanipulator Co.
MAS International
Behm Quartz Industries
Enthone-OMI
Oriel
Interconsal Associates
Praxair
The PQ Corp.

Advanced Silicon Materials
Florod Corp.
Veeco Instruments
The Jade Corporation
Brooks Instrument
Advanced Ceramics Corp.
Semiconductor Equipment Corp.
Semiconductor Specialties Corp.
Watkins-Johnson Company
VERTEQ
Verteq - US Quartz
Rodel
Silicon Technology
Electroglas
Trigon Adcotech
Millipore Corp/Merck