Pioneer TS7 Service Manual page 72

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2. Sanyou_FLASH MEMORY_LE28DW1621F-80T
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2.1 Soldering condition for Surface Mount Device
A
1. Solderi ng Copper (Ma x.) metho d
Temper ature Time
2. Reflow Soldering m eth od (In fra -Red(I /R) Refl ow Sold eri ng)
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Limitation of Re flow times
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Temperatur e profil e
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Notice: It is poss ible to effect reliab ility of S emicond uctor a device if de vice is put in high t emperat ure at long time.
C
Please solder as soon as possible.
2.2 Notice for handling of package to a anti-humidity packaging
1. Storage before opening
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L 13942296513
Pl ease stor e de vice und er th e cond it io n that temperature is less than 30°C and humidity is less
than 70% RH before open ing.
2. After opening the anti-humidity packaging
Pl ease stor e de vice under th e cond it ion that t emperature is less than 30°C and humidity is less
than 70% RH an d mount d evic e on board within 96 hours a fter opening.
Pl ease store remained devi ces in d esiccator an d des iccate it before mounting.
D
3. Humidity indicator of desiccant
Blue indicat or is inc l uded in des iccan t int o ant i -hum i dity package an d co lor of wh ich is changed to
pink whe n hum id ity insid e pac k age is over 30% RH (2 5°C). Tha t indicator may be changed when an
devic e is stored and is no t used a t long time af ter openin g. P l ease d esicc ate sem i conductor devi ce
before mounting if that indi cator wil l be changed.
4. Desiccation condition
It is possible to d esiccate for onl y heat -proo f Tory pack ag e on the cond ition that temperat ure is
125°C and desiccat i on t ime is 2 4 hours if semicon ductor device shou ld be d esiccated.
Please change Tory p acka ge t o heat -proof on e or desicc ate a t low temper ature (60°C, 168hours ) in
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case it is impossibl e t o des i ccate for other t y pe Tory package at 125°C. And the d esicca tion can n ot be
applied for m agazine (stick) package, paper glue taping package and emboss tapin g package.
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Fi g2 Temper at ur e pr ofile for IR
Peak 255°C
1~3°C/s
180°C
150°C
90±30s
1~3°C/s
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TS7, BCT-1710, BCT-1720, BCT-1730
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350 °C, 3s.
2 times
see Fig.2
10s max
230°C
60s max
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4
2 9 9 4 2 8
250°C
1 5 0 5 8 2 9 9 4
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9 9
2 8 9 9