參數(shù)資料
型號： TMP91FY12AF
廠商： Toshiba Corporation
元件分類： 微控制器
英文描述： Quality And Reliability Assurance / Handling Precautions
中文描述： 質(zhì)量與可靠性保證/操作注意事項
文件頁數(shù)： 33/48頁
文件大?。?/td> 390K
代理商： TMP91FY12AF
Quality and Reliability Assurance / Handling Precautions
030901
QUA-33
2002-02-20
4.2.2 Moisture-Proof Packing
(1)
Moisture-proof packing should be handled with
care. The handling procedure specified for each
packing type should be followed scrupulously. If
the proper procedures are not followed, the quality
and reliability of devices may be degraded. This
section describes general precautions for handling moisture-proof packing.
Since the details may differ from device to device, refer also to the
relevant individual datasheets or databook.
General precautions
Follow the instructions printed on the device cartons regarding
transportation and storage.
Do not drop or toss device packing. The laminated aluminum material in
it can be rendered ineffective by rough handling.
The storage area temperature should be kept within a temperature range
of 5°C to 30°C, and relative humidity should be maintained at 90% (max).
Use devices within 12 months of the date marked on the package seal.
If the 12-month storage period has expired, or if the 30% humidity
indicator shown in Figure 4.1 is pink when the packing is opened, it may
be advisable, depending on the device and packing type, to back the
devices at high temperature to remove any moisture. Please refer to the
table below. After the pack has been opened, use the devices in a 5
°
C to
30
°
C. 60% RH environment and within the effective usage period listed
on the moisture-proof package. If the effective usage period has expired,
or if the packing has been stored in a high-humidity environment, bake
the devices at high temperature.
(2)
(3)
(4)
(5)
Packing
Moisture removal
Tray
If the packing bears the “Heatproof” marking or indicates the maximum temperature which it can withstand,
bake at 125
°
C for 20 hours. (Some devices require a different procedure.)
Transfer devices to trays bearing the “Heatproof” marking or indicating the temperature which they can
withstand, or to aluminum tubes before baking at 125
°
C for 20 hours.
Deviced packed on tape cannot be baked and must be used within the effective usage period after
unpacking, as specified on the packing.
Tube
Tape
When baking devices, protect the devices from static electricity.
Moisture indicators can detect the approximate humidity level at a standard temperature
of 25
°
C. 6-point indicators and 3-point indicators are currently in use, but eventually all
indicators will be 3-point indicators.
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