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Composite Coating |
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nickel and epithelium |
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Immerson Tin |
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MaKin Tech. Co., Ltd.
Company address:
Tai-Fong Village Ind. Mini Park, Chen-Xian Zen,Tai-Chang City, Jian-Su Province, China
Phone & Fax:
Tel:+86 512 5310 5466
Fax:+86 512 5310 5468 |
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| Immerson Tin |
Markin’s chemical characteristic
AD201 Pre-Dip
□ Surface conditioning to get a homogenous, spot free start layer.
□ Dense and fine grain tin deposit without any pin holes.
□ Avoid discoloration like water stains.
PD301 Tin Strike
□ Reacted rate can be controlled.
□ Particularity and dense tin layer, effective slow down the whisker growth.
□ Avoid discoloration like water stains
S501 Immersion Tin
□ Compatible to lead-free solders.
□ Application for horizontal and vertical equipment.
□ Tin thickness: 1.0 +/-0.2 μm(40μ”), multiple solderability.
□ The storage time can be 1 year in an environment between 30-70% RH and a temperature between 5-35℃.
□ Improved bath stability maintained and quality performance.
□ 6~10g/L cu- content is allowed.
Quality Control Key Points
·Good adhesion of solder mask
- Rough treatment before solder mask
- Solder mask thickness control
·Sufficient tin thickness
- Enough time in immersion tin tank
- Chemical & line speed control
·Clean board surface
- Hot DI water rinse
- Ultrasonic hot rinse |
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