Package for optical element

Photo coupler and method for producing the same

Photo coupler device molding including filler particles

Photo coupler with static induction transistor type detector

Photo interrupter and a method of manufacturing the same

Photo interrupter with dual-direction detection ability

Photo-coupler apparatus having adequate protection against exces

Photo-coupler switch with delay function using a fluorescent sub

Photo-coupler with delay function using a fluorescent substance

Photo-electric coupling device

Photoconductive power switch

Photoconductive relay and method of making same

Photoconductive switch module

Photoconductive switch module and manufacturing method thereof

Photocoupled circuit with photodiode arrays driving a MOSFET swi

Photocoupler apparatus capable of shortening switching time of o

Photocoupler capable of effecting phase control with an embedded

Photocoupler circuit having DC power source in series with detec

Photocoupler device

Photocoupler device having reflecting surface enhance signal tra