Si SENSOR INDUSTRY CO.,LTDApplication Fields for SI Sensors

Si QC PROGRAM

QC Chart for Thermistor Temperature Sensor

SN

Inspection and test item

Requirement

Test conditions

1

Resistance and Precision

Within the requested range

100% tested in the 25 constant temperature oil vessel

2

B value and Precision

Within the requested range

Calculating after separately measuring in the oil vessel of 25 and 85

3

High temperature storage

B/B3% No damage

Store 1000hours in the upper limit temperature

4

Low temperature storage

B/B3% No damage

Store 1000hours in the lower limit temperature

5

Low and High temperature cycle

B/B3% No damage

Upper Limit Temp 30min<--->Room Temp 30min<--->Lower Limit Temp 30min 1000cycles

6

Heat shock

B/B3% No damage

0 5min<--->100 5min Water 1500cycles

7

Dampness proof

B/B3% No damage

Store 1000hours under 60棬98% relative humidity

8

Pull force of connector

Within the requested range

Ergometer

QC Flow Chart for Developing New Product

Clients drawing/sample and(or) requirements
   
Design the drawing and technics scheme (PFEMA, DFEMA)
 
Sample trial production Failure mode analysis

Sample test Sample reliability test

Client tryout

Small batch productionQC scheme

Batch production

QC Program for Batch Production

Raw materials
   
IQC
 
Into warehouse

Production

IPQC

FQC

OQC

OUT warehouse

Client

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