YEH-CHIANG TECHNOLOGY CORP.

　

　

　

　

Composition

	Sn63/Pb37
	Sn62/Pb36/Ag2
	Sn96.5/Ag3.5
	Sn95.5/Ag4/Cu0.5
	Sn96.5/Ag3/Cu0.5

　

Diameter

	0.2mm ~ 0.76mm
	(12mil ~ 35mil)

　

　

Major Customers

　

Vate

SPIL

FOXCONN

ASE INC. KAOHSIUNG

LOTES

Quality Control System

Control Items

Inspection Equipment

I.Q.C

	Composition
	Analyzer

I.C.P

I.P.Q.C

	Ball size
	Roundness

	Projector
	Microscope

F.Q.C

	Appearance
	Ball Size
	Roundness

	Profile Projector(0.001mm)
	Microscope (60X)
	Optical Projector (0.01mil)
	Spectrophotometer (above 99%)

O.Q.C

	Ball Size
	Composition
	Spectral reflectance CPK

	Profile Projector(0.001mm)
	Microscope (60X)
	Optical Projector (0.01mil)
	Spectrophotometer (above 99%)

I.C.P
Composition analysis

S.R.R Analysis
S.R.R Analysis

　

Optical Measurement
Solder ball size

Oxygen analyzer
Oxygen Test

　

　

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