PM-500 SE系列
PM-500 SEG10是专门用于塞孔的绿色阻焊材料,适用于汽车板等要求较高PCB的塞孔工艺。易塞孔,固化后无气泡、不开裂。重涂性好,面油不分层、高温不起泡。符合欧盟RoHS及低卤要求。
PM-500 SEG10green Solder Mask for plug hole, Applicable for AUTO PCB plug hole. Easy to plug hole, no bubble, no crack after curing. Good recoating, Good adhesion. Environmentally Friendly: RoHS, Halogen Free.
一、物性General properties
1 |
主剂Main agent |
PM-500 SEG10 |
2 |
固化剂Hardener |
H-50 HAS9 |
3 |
颜色Color |
Green 绿色 |
4 |
主剂粘度 Main agent’s Viscosity (at 25℃) |
350±50dPa.s |
5 |
固化剂粘度 Hardener’s Viscosity (at 25℃) |
70±10dPa.s |
6 |
混合比例 Mixing ratio |
主剂Main agent:固化剂Hardener=7:3 |
7 |
混合后粘度 Viscosity after mixed (at 25℃) |
250±50dPa.s |
8 |
混合后固体含量Non-volatile % after mixed |
90±2% |
9 |
混合后比重Specific gravity after mixed |
1.4±0.05 |
10 |
保存期限Shelf life |
6个月/ 6 month after production |
11 |
包装规格Package |
1Kg/Cans(罐),10Kg/Box(箱) |
二、应用操作指引
基板表面处理 |
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化学处理,浮石粉或火山灰处理,市水冲洗干净 |
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开油 |
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主剂与固化剂按3:1混合,添加适量稀释剂,搅拌或震荡5-10分钟。 |
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静置 |
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10-20分钟,使油墨充分排出开油时产生的气泡,但不超过24小时。 |
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塞孔印刷 |
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专用铝片网或图形丝网,厚度18mm刮胶印刷。 清洁筛网避开其他油墨污染,室温20-25℃,湿度小于60%RH 印刷厚度要求湿膜在38-45um,干燥后25-30um。 |
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面油印刷 |
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第一面印刷焊接面,第二面印刷零件面;36T或者43T网印刷。 清洁筛网避开其他油墨污染,室温20-25℃,湿度小于60%RH 印刷厚度要求湿膜在38-45um,干燥后25-30um。 |
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静置 |
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20分钟以上,板材铜箔越厚,静置时间应越长,但不超过4个小时。 |
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预烤 |
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两面分别印刷、分别烘烤 第一面热风循环烤箱:温度70-75℃,时间10-20分钟 第二面热风循环烤箱:温度70-75℃,时间15-30分钟 两面同时印刷、同时烘烤 热风循环烤箱:温度70-75℃,时间15-40分钟 |
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冷却叠板 |
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放置20分钟以上使板材充分冷却,但停放时间不超过24小时。 叠板不易过多,叠板压力不超过40 mmHg |
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曝光 |
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曝光能量一般在400-1000mj/cm2 ,使用21级曝光尺保持感度在10-12格之间 |
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静置 |
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20分钟以上,但不超过24小时 |
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显像 |
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压力2.0-2.5kg/cm2浓度1wt% Na2CO3,液温30±2℃,显像时间70-90秒 过显影缸后,再用2.5-3.0kg/cm2喷淋压力25℃左右的市水清洗45-60秒,使用2组以上海棉轮吸水,40℃以上热风吹干 |
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热固化 |
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75℃×60分钟+100℃×30分钟+120℃×30分钟+150℃×60分钟 |
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丝印字符 |
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丝网印刷设备及固化条件依字符油墨操作条件 |
Processing instructions
Pre-treatment |
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Chemical treatment,Pumice scrub or Buff (over #1000) treatment Rinse with distilled water |
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Mixing |
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Main agent and hardener agent in 7:3 mix, add appropriate thinner, shock 5-10 minutes |
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Hold time |
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Hold time: within 20min after printing, But not more than 24 hours |
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Plug hole |
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Aluminum mesh, 18mm plastic printing. Clean screen mesh to avoid other ink contamination. Room temperature: 20-25℃, Room humidity: under 60%RH. Printing wet film thickness requirements in more than 38-45 um, and above 25-30 um after drying. |
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Coating |
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Screen printing by 36-43T polyester screen. |
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Hold time |
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Hold time: within 20min after printing, But not more than 4 hours |
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Pre-cure |
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First side: by hot air dryer at 70-75℃ for 10-20min Back side: by hot air dryer at 70-75℃ for 15-30min Both side: by hot air dryer at 70-75℃ for 15-40min |
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Laminate mask film |
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Hold 12-30min to cool down enough Laminate mask film in vacuum under 40 mmHg |
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Exposure |
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400-1000mj/cm2 (on resist surface) to 10-12 level vacuum under 650 mmHg |
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Hold time |
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Hold 20 min after exposure,But not more than 24hours |
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Developing |
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By 2.0-2.5kg/cm2 Spraying of 1wt% Na2CO3 at 30±2℃ for 60-90sec Rinsing by 2.5-3.0kg/cm2 spraying of water at below 25℃ for 45-60sec Taking off rinsing water by sponge roll and drying by hot air at 40℃ for several minutes |
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Post cure |
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75℃*60min+100℃*30min+120℃*30min+150℃*60min |
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Screen print Marking ink |
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Screen printing and curing condition depend upon marking specification |
三、Coating properties涂膜特性(IPC-SM-840E)
要求Requirement |
测试方法Test Method |
结果Result |
防霉性Nonnutrient |
IPC-TM-650 2.6.1 |
OK |
表面状况Visual Requirements |
IPC-SM-840E 3.3.1 |
OK |
铅笔硬度Pencil Hardness |
ASTM D3363 |
OK |
附着力(硬板)Adhesion of RPB |
IPC-TM-650 2.4.28.1 |
OK |
可加工性Mach inability |
IPC-TM-650 2.4.7.1 |
OK |
耐溶剂和清洗剂 Resistance to Solvents and Cleaning Agents |
IPC-TM-650 2.3.42 涂膜无分离、裂纹、粘着 Coating shall not exhibit delamination, cracks, tackiness, swelling or permanent degradation |
OK |
耐化学试剂 Resistance to Assembly Processes and Chemistry |
IPC-SM-840E 3.6.1.2 10vol% H2SO4 20℃ 30min 10wt% NaOH 20℃ 30min |
OK |
水解稳定性 Hydrolytic Stability |
IPC-TM-650 2.6.11 |
OK |
阻燃性Flammability |
UL94 V0 E343546 |
OK |
可焊性Solder ability |
J-STD-003 260±5℃*10±1秒 |
OK |
耐焊性 Resistance to Solder
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IPC-TM-650 2.6.8 Flux shall be a ROM0 or ROM1 per J-STD-004 助焊剂应依据J-STD-004,使用ROM0或ROM1 浮锡 Solder Float 260±5℃*10±1秒 |
OK |
Simulation of Lead Free Reflow 无铅回流焊模拟 |
IPC-SM-840E 3.7.3.1 浮锡Solder Float 260±5℃*10±1秒*5次 |
OK |
介电强度Dielectric Strength |
IPC-TM-650 2.5.6.1 |
1000 V DC/mil |
绝缘电阻Insulation Resistance |
IPC-TM-650 2.6.3.1 |
≧7.0×1012Ω |
耐湿绝缘电阻Moisture and Insulation Resistance |
IPC-TM-650 2.6.3.1 |
≧5.0×108Ω |
电迁移Electrochemical Migration |
IPC-TM-650 2.6.14 |
OK |
冷热冲击Thermal Shock |
IPC-TM-650 2.6.7.3 -65℃ to +125℃ *100 Cycles -65℃ 到 +125℃ *100次 |
OK |
备注:此资料为本公司试验结果,不作为保证之用。适宜之条件,需参照技术资料,待贵公司实施确认后,再予以确定。
PS: This information is our test results, not as a guarantee. The suitable condition, need to consult technical data, to be your company carry out confirmation, to be determined.