We satisfy various needs of our customers by using the various categories of tester lineup and the test technology and know-how cultivated over many years as a test house. We mainly carry out both wafer test・final test and test development at Kofu factory.

Kofu Factory

Wafer test・Final test

We have actual results of testing various devices such as logic, analog, MIXED signals, and LCD drivers. We propose a flexible process flow that meets the needs of our customers. We can also propose a system that can measure wafers of various shapes.

Test development ・Trial manufacture service

We will select the most suitable tester model according to the customer’s test specifications and requests, and propose it in the most reasonable form.

 

 

Main production equipment

Tester lineup

Categories	Model	Maker
LCD driver	TS6700	YOKOGAWA ELECTRIC
Logic SoC	T6575	Advantest Corp
	T6577
	T2000
	T3347A
	TS600	YOKOGAWA ELECTRIC
	TS6000
Image sensor	TS6650	YOKOGAWA ELECTRIC
Mixed signal analog	SX3700	Spandnix
	FusionCX	LTX
	EVA100	Advantest Corp
	WL25	ShibaSoku
	WL255
Memory	T5335P	Advantest Corp
Discrete	881-TT	TESEC
	SM-2003	Kokuyo

Other equipment

・IC AUTOMATIC VISUAL EXAMINATION DEVICE
・Microscope with wafer transfer machine
・Wafer sorter machine
・Laser microscope
・N2 Baking oven
・Wafer UV Irradiation machine
・Vacuum packing machine
・Thermostreamer

Prober/Handler lineup

Categories	Model	Maker
Prober	P-8 / P-8XL / P-8XLm（Low temperature）	Tokyo Electron Limited
	P-12XL / P-12XLn
	Precio（Low temperature） / Precio octo（Low temperature）
	Precio XL（Low temperature）
	UF200 / UF200A	TOKYO SEIMITSU
	UF2000（Low temperature） / UF3000（Low temperature）
Handler	M4541A	Advantest Corp
	NS8040SH	EPSON
	V4	YAMAHA

Achievement up to the present

・Supported only trial production and evaluation
・Supported only engineering work such as programming and jig creation preparation
・Customer used tester and prober 24 hours a day, regardless of weekends
・Customer request started from small quantity like 1 wafer,1 device
・Operation with customer assets consigned
・Long-term storage of wafers, packages, equipment and materials in a clean room.
Also, stock operations for products (Already registered for warehousing business)
・Partial process consignment (ink mark only, UV only, etc.)