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Wolfson Microelectronics - Safe Handling and Packaging of Tray Product to be Returned

Numéro de référence WAN-0164
Description Safe Handling and Packaging of Tray Product to be Returned
Fabricant Wolfson Microelectronics 
Logo Wolfson Microelectronics 





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WAN-0164
Safe Handling and Packaging of Tray Product to be Returned
CARE IN IDENTIFICATION AND HANDLING OF FAILURES
If a device is suspected of failing, it is to the benefit of the Customer and Wolfson that the problem is
investigated as soon as possible. It is important the device is still handled with the same level of care
as a good device. Damage incurred during and after removing the device from the application will
make it impossible to identify the original failure mechanism.
If a failing device is requested to be returned for failure analysis:
It must reach Wolfson in a condition comparable to when suspected of failing by the
customer.
If it is necessary for the device to be removed from the application, this must be done
carefully.
Once isolated the device must at all times be stored in an ESD protective tube or tray and
wrapped in ESD safe materials.
This must be done in a static safe area and not opened again until received by Wolfson. A
static safe area would consist of wrist straps, ESD protective bench mats, heel straps etc.
Refer to the following Application Note, ESD Damage in Integrated Circuits: Causes and Prevention
WAN_109, available from http://www.wolfsonmicro.com.
WOLFSON CANNOT ACCEPT THE RETURN OF PRODUCTS THAT HAVE BEEN
INADEQUATELY STORED, HANDLED OR RE-PACKED.
LEVEL OF ACCEPTABILITY
The following pictures clearly indicate what is acceptable / not acceptable in the return of parts to
Wolfson. Please refer to Wolfson’s RMA Guidelines before requesting the return of parts and
complete the Wolfson RMA request form, both available from local Sales office.
3
CAREFULLY remove devices from the application so as not to incur further damage.
2
MIS-HANDLED DEVICES WILL NOT BE ANALYSED AND THEREFORE NO CREDIT GIVEN.
WOLFSON MICROELECTRONICS plc
February 2005, Rev 1.0
www.wolfsonmicro.com
Copyright 2005 Wolfson Microelectronics plc

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