Quality Assurance System
Testing Method
VISUAL INSPECTION
Box Check
Packing Check
Marking Check
Body Inspection
Pins Check
Physical Dimensions Check
① Quantity of boxes
② Are the boxes intact
③ Type of boxes
④ Type of labels
⑤ ls there any barcode
⑥ Net weight of each box
① Type of the packs
② Protection against EsD
③ Moisture sensitivity level
④ Are the packages dry
⑤ Date of opening packages
⑥ Gross weight
① Date code
② Coding rules
③ Remarking,
refurbished
④ Lot number
⑤ ls the marking complete and clear
⑥ MPN
① Dirty
② Scratches
③ Presence of grain on the material at a pin position
④ Difference of grain
⑤ Oxidation or rust
⑥ Burrs
⑦ Asphalt
⑧ Others
① Dirty
② Scratches
③ Oxidation
④ Deformation
⑤ Tin Whiskers
⑥ Soldered
⑦ Reball
⑧ Others
① Confirming if follow data sheet
② Confirming if the dimensions follow data sheet
X-RAY
Observe the sample under test against the golden sample to check if the bonding wires are the same, clear and complete.
DECAPSULATION AND DIE ANALYSIS
Die
Electronic Magnifier
Decapsulation Testing
Using chip decap device to dissolve
the encapsulation and
use the magnifier to see the sample
under test against the golden
sample to check
if the size and structure
of the internal die and
the marking on its surface are the same.
MORE TESTING METHODS
©2023 AESTRON TECHNOLOGY INC., LIMITED All rights reserved
Powered by www.300.cn SEO