drop shock testing - dynamic 4 point bending test results

an Alent plc Company

Dynamic 4 Point

Bending Test

Results

December 2009

Highly Confidential and Privileged Information of Alpha an Alent plc Company

Drop Shock Test Summary

• Report on OM-340 SACX 0307 received from IST November 23

• Report on Paste X received from IST November 25

• OM-340 SACX 0807 had 20% higher strain rate to first failure

• When ball to package data is removed, OM-340 SACX strain rate to first failure >0.5%


Solder Paste X Data (SAC 387?)

12M DYNAMIC 4-POINT BEND

TEST REPORT

Company Supplier X

Sample Name Solder Paste X

Date Received Nov. 12, 2009

Date Finished Nov, 20. 2009

TESTING LABORATORY:

INTEGRATED SERVICE TECHNOLOGY INC. IS ACCREDITED BY:

1) IEC/IECQ 17025 certificate of independent test laboratory approval

Certificate No. T1091

2) ISO 17025 accredited in respect of laboratory is approved by TAF

Certificate No. L0835-060321

3) ISO 9001 certificate is approved by TUV CERT certification body of

TUV NORD Cert GmbH

WE HEREBY CERTIFY THAT:

The tests shown in the attachment were conducted according to the indicating procedures.

We assume full responsibility for the accuracy and completeness of these tests and vouch

for the qualifications of all personnel performing them.

Name Signature Date

Test Engineer CK Yu CK Yu Nov. 20, 2009

Manager Graver Chang Graver Chang Nov. 20, 2009

FAILURE CRITERION TABLE:

Solder Paste Lot Failure Strain (80% LCI) Result

Solder Paste X NA 0.3607% Strain Fail

Copy of IST Report


OM-340 with SACX 0807 Alloy Report No. L2-09-10-13


TEST REPORT

Company Cookson Electronics

Sample Name Cookson OM-340

Date Received Nov. 12, 2009

Date Finished Nov, 20. 2009

TESTING LABORATORY:

INTEGRATED SERVICE TECHNOLOGY INC. IS ACCREDITED BY:

1) IEC/IECQ 17025 certificate of independent test laboratory approval

Certificate No. T1091

2) ISO 17025 accredited in respect of laboratory is approved by TAF

Certificate No. L0835-060321

3) ISO 9001 certificate is approved by TUV CERT certification body of

TUV NORD Cert GmbH

WE HEREBY CERTIFY THAT:

The tests shown in the attachment were conducted according to the indicating procedures. We assume full responsibility for the

accuracy and completeness of these tests and vouch for the qualifications of all personnel performing them.

Copy of IST Report


Maximum Strain(%)

Pe

rce

nt

1.00.1

99

9080706050403020

10

532

1

0.01

Table of Statistics

Median 1.31418

IQ R 0.405752

Shape 5.02010

Scale 1.41372

Mean 1.29833

StDev 0.296299

Probability Plot for Failure Joints

Probit Data - ML Estimates

Weibull - 80% CI

Maximum Strain(%)

Pe

rce

nt

10.01.00.1

99

90807060504030

20

10

5

32

1

0.1

Table of Statistics

Median 1.66606

IQ R 0.698637

Shape 3.68430

Scale 1.84033

Mean 1.66042

StDev 0.501718

Probability Plot for Failure Joints

Probit Data - ML Estimates

Weibull - 80% CI

OM-340 SACX 0807

0.4302%

Paste X

0.3571%


TEST REPORT- First Failure Joint

20%

Improvement


Summary of Sphere to Board Failures

1.00.90.80.70.60.50.40.3

99

90807060504030

20

10

5

3

2

1

0.1

Data

Pe

rce

nt

11.86 0.7589 53 5.050 <0.010

8.790 0.7399 111 7.365 <0.010

Shape Scale N AD P

SACX

Paste X

Variable

Probability Plot of SACX, Paste XWeibull

First Failure >0.50%


Data Points Sphere to Board Failures

1.00.90.80.70.60.50.40.3

99

90807060504030

20

10

5

3

2

1

0.1

Data

Pe

rce

nt

11.86 0.7589 53 5.050 <0.010

8.790 0.7399 111 7.365 <0.010

Shape Scale N AD P

SACX

Paste X

Variable

Probability Plot of SACX, Paste XWeibull


For more information about

Alpha Products visit:

www.Alpha.Alent.com

drop shock testing - dynamic 4 point bending test results

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