c-sam analysis report - nanolab technologies · csam analysis and results a total of xxx units were...
TRANSCRIPT
C-SAM Analysis Report
Job#: ORD - xxxxx Part type: xxx
Lot Number: xxx Package type: xxx
Quantity: xxx
Prepared by: xxx Reviewed by: xxx
E-mail: [email protected] Date: xxx
Nanolab Technologies , 1708 McCarthy Blvd , Milpitas, California, 95035 USA Tel: (408) 433-3320 Fax: (408) 433-3321
SonoScan
C-SAM
CSAM Analysis and Results
A total of xxx units were examined in C-mode and in the Through-Scan mode using the SonoScan Acoustic Microscope on _____________.
Transducer(s) used: 25 MHz Standard
50 MHz – only if anomalies are found at 25 MHz
Results:
Die surface delamination: xxx
Die attach delamination: xxx
Lead frame delamination: xxx
2
SonoScan
C-SAM
CSAM Gating
Gate starts here, tracking top surface
Top surface signal detected here to start wait time for flaw detection
First gate start
First gate end
Resin
surface
echo
Die echo Echoes originated from die bottom
3 3
SonoScan
C-SAM
MC Die Top Die Attach + Lead Frame
25 MHz probe focused on die top allows viewing of all 3 layers, MC, Die Top and Die Attach/Lead Frame (as shown)
Identification of QFN layers with 25 MHz probe
4 4
SonoScan
C-SAM
Die Circuit Surface/Encapsulant Number Affected: xxx Average % xxx %
Location: Corner Edge Center
Die/Die Attach Number Affected: xxx Average % xxx %
Location: Corner Edge Center
Encapsulant/Substrate Number Affected: xxx Average % xxx %
Location: Corner Edge Center
Device cracks present? Yes No
Package cracks present? Yes No
Mold compound voids present? Yes No
Paddle / Device tilt present? Yes No
CSAM Results - Delamination
5 5
SonoScan
C-SAM
C-SAM Inspection Results
6 6
+ +
SonoScan
C-SAM
Sample Tray - As Received
7 7
+ +
+ +
Comment: xxx
SonoScan
C-SAM
8 8
+ +
+ +
Comment: xxx
Sample Tray - As Received SonoScan
C-SAM
9 9
+ +
+ +
Comment: xxx
Die Top SonoScan
C-SAM
Die Top Failure - Device XX
10 10
+ +
+ +
Comment: xxx
SonoScan
C-SAM
Die Top: A-Scan
11 11
+ +
+ +
Comment: xxx
SonoScan
C-SAM
Die Attach
12 12
+ +
+ +
Comment: xxx
SonoScan
C-SAM
Die Attach Failure – Device XX
13
Comment: xxx
+ +
+ +
SonoScan
C-SAM
Lead Frame
14 14
+ +
+ +
Comment: xxx
SonoScan
C-SAM
Lead Frame Failure - Device XX
15 15
+ +
+ +
Comment: xxx
SonoScan
C-SAM
Through Scan
16
+ +
+ +
Comment: xxx
SonoScan
C-SAM
17 17
xxx
+ +
+ +
SonoScan
C-SAM
18 18
xxx
+ +
+ +
SonoScan
C-SAM