Datasheet

DEM 240320E TMH-PW-N(A-TOUCH) Production Specification
Version: 2.1.1 PAGE: 21
10. Product Quality & Reliability
10.1 Standard for Quality Test
10.1.1 Inspection :
Before delivering, the supplier should take the following tests, and affirm the quality of
product.
10.1.2 Electro-Optical Characteristics:
According to the individual specification to test the product.
10.1.3 Test of Appearance Characteristics:
According to the individual specification to test the product.
10.1.4 Test of Reliability Characteristics:
According to the definition of reliability on the specification for testing products.
10.1.5 Delivery Test:
Before delivering, the supplier should take the delivery test.
A. Test method: According to GB/2828,General Inspection Level Ⅱ take
a single time.
B. The defects classify of AQL as following:
Major defect: AQL=0.25
Minor defect: AQL=1.0
Total defects: AQL=1.0
10.2 Standard for inspection
10.2.1 Manner of appearance test:
a. The test must be under a 40W fluorescent light, and the distance of view must be
at 30~35 cm.
b. When test the model of transmissive product must add the reflective plate.
c. The test direction is base on about around 45° of vertical line.
10.2.2 Definition of area: A B
A Area : Viewing area.
B Area : Out of viewing
area.(Outside viewing area)
10.2.3 Basic principle:
A. In principle the defect out of Area A should be acceptable if the defect does not
affect assemblage and the quality of productions.
A
B