C-SAM Analysis Report - Nanolab Technologies

C-SAM Analysis Report - Nanolab Technologies

SonoScan
C-SAM
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: SumanthT@nanolab1.com
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:
Die attach delamination:
Lead frame delamination:
xxx
xxx
xxx
2
SonoScan
C-SAM
CSAM Gating
Resin
surface
Die echo
Echoes originated from die bottom
echo
Gate starts
here,
tracking top
surface
First gate end
First gate start
Top surface signal
detected here to start
wait time for flaw
detection
3
3
SonoScan
C-SAM
Identification of QFN layers with 25 MHz probe
25 MHz probe focused on die top allows
viewing of all 3 layers, MC, Die Top and
Die Attach/Lead Frame (as shown)
MC
Die Top
4
Die Attach + Lead Frame
4
SonoScan
C-SAM
CSAM Results - Delamination
Die Circuit Surface/Encapsulant
Die/Die Attach
Encapsulant/Substrate
Number Affected: xxx Average % xxx %
Location:
Corner
Edge
Center
Number Affected: xxx Average % xxx %
Location:
Corner
Edge
Center
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
5
5
SonoScan
C-SAM
C-SAM Inspection Results
+
+
6
6
SonoScan
C-SAM
Sample Tray - As Received
Comment: xxx
+
+
+
+
7
7
SonoScan
C-SAM
Sample Tray - As Received
Comment: xxx
+
+
+
+
8
8
SonoScan
C-SAM
Die Top
Comment: xxx
+
+
+
+
9
9
SonoScan
C-SAM
Die Top Failure - Device XX
Comment: xxx
+
+
+
+
10
10
SonoScan
C-SAM
Die Top: A-Scan
Comment: xxx
+
+
+
+
11
11
SonoScan
C-SAM
Die Attach
Comment: xxx
+
+
+
+
12
12
SonoScan
C-SAM
Die Attach Failure – Device XX
Comment: xxx
+
+
+
+
13
SonoScan
C-SAM
Lead Frame
Comment: xxx
+
+
+
+
14
14
SonoScan
C-SAM
Lead Frame Failure - Device XX
Comment: xxx
+
+
+
+
15
15
SonoScan
C-SAM
Through Scan
Comment: xxx
+
+
+
+
16
SonoScan
C-SAM
xxx
+
+
+
+
17
17
SonoScan
C-SAM
xxx
+
+
+
+
18
18