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LIS3DSH past pocessing temperature issues

thierry Decamps
Associate
Posted on October 17, 2017 at 15:56

Dear all,

We use LIS3DSH and we have issues after reflowing process.

In fact values are not compensate correctly between -30�C to + 65�C; we have hysteresis and breaking.

Measurements are out of specifications .

See attached good and bad component.

Only reflow process seems to affect correct measurement of the component 

Thanks for help

#hysteresis #lis3dsh-temperature-issues #reflow-process
3 REPLIES 3
Miroslav BATEK
ST Employee
thierry Decamps
Associate
Posted on October 18, 2017 at 10:30

Hi,

Yep regarding guideline.

Additionaly we have same bad results with ST evaluation board after reflowing new component on it.

Reflow profils are corrects also !!

We have 2%  good result in production.

Thanks for help.

Posted on October 23, 2017 at 16:32

Can you please provide us your reflow profile?