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VMI - Partners in High Voltage Power Supply Design - 559.651.1402
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VMI is dedicated to quality. Statistical methods are utilized for product design, verification and production. 
VMI operates on the principle that quality is cost effective and essential. Our quality system is ISO9001:2008 compliant.
VMI is incorporated in the state of California as a closely held corporation. The principal stockholders are Dennis J. Kemp, Kenneth E. Haag, and John K. Yakura.

VMI is ISO9001:2000 certified
About Us
Voltage Multipliers, Inc. began operations in November of 1980. Initially designing and producing voltage multipliers, our product line has expanded to include diodes, rectifiers, high voltage power supplies, opto-couplers, and power supplies.

High Voltage Assembly Production

All operations are located in Visalia, California. Our facilities have grown to 44,000 sq. ft. of manufacturing area with 10,000 sq. ft. of office area. VMI's sales organization includes world-wide representation and direct factory support. Sales information and product inquiries may be directed through your sales representative, or contact VMI directly.
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VMI Diodes
CalRamic HV Capacitors
Wafer Fabrication
All silicon wafers are doped, diffused, and evaporated in our Visalia, California facility.

Metal Evaporation
Diode Assembly and Testing
All device assembly, passivation, and encapsulation processes are performed in-house.
Diode Produciton Testing
 Testing is performed on 100% of all VMI diodes, and includes PIV, Vf, Ir, and Trr.
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Last Update: 19 Mar 2015