供应台湾有铅无铅锡球
地区：广东 深圳
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台湾大瑞锡球颗粒均匀,真圆度高,N2保护封装,直径从0.10MM-0.899MM,球径公差*小,无铅业已取得日本和美国及德国*.
1.依以下特許准證製造錫球：
|
Countries * |
Patent No 專利授權編號 |
|
Japan / 日本 |
JP3,296,289 |
|
Japan / 日本 |
JP3,353,662 |
|
American / 美國 |
USP 6,179,935B1 |
|
Germany / 德國 |
DE19,816,671C2 |
2. 錫球球徑, 球徑誤差以及真圓度容忍值規格
|
Diameters 球徑 |
Diameters Tolerance 球徑誤差 |
Spheroid Tolerance 真圓度容忍值 |
|
0.76 mm |
±0.015 mm |
Within 1.5% |
|
0.65 mm |
±0.015 mm |
Within 1.5% |
|
0.60 mm |
±0.010 mm |
Within 1.5% |
|
0.50 mm |
±0.010 mm |
Within 1.5% |
|
0.45 mm |
±0.010 mm |
Within 1.5% |
|
0.40 mm |
±0.010 mm |
Within 1.5% |
|
0.35 mm |
±0.010 mm |
Within 1.5% |
|
0.30 mm |
±0.010 mm |
Within 1.5% |
|
0.25 mm |
±0.010 mm |
Within 1.5% |
|
0.20 mm |
±0.010 mm |
Within 1.5% |
|
0.15 mm |
±0.005 mm |
Within 1.5% |
|
0.10 mm |
±0.005 mm |
Within 1.5% |
|
|
|
|
3.
2. The Alloys Melting Temperature/ 合金熔融溫度
|
Composition |
Tin |
Silver |
Copper |
Melting Point / 熔點 ( ℃ ) | ||
|
錫 (Sn) |
銀 (Ag) |
銅 (Cu) |
Eutectic 合金 |
Solidus 固相 |
Liquidus 液相 | |
|
SAC350 |
Balance |
3.5 |
-- |
221 |
-- |
-- |
|
SAC105 |
Balance |
1.0 |
0.5 |
-- |
220 |
225 |
|
SAC125 |
Balance |
1.2 |
0.5 |
-- |
220 |
225 |
|
SAC305 |
Balance |
3.0 |
0.5 |
-- |
217 |
219 |
|
SAC387 |
Balance |
3.8 |
0.7 |
-- |
217 |
219 |
|
SA*05 |
Balance |
4.0 |
0.5 |
-- |
217 |
219 |
各种规格
台湾大瑞
