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COANTS ELECTRONIC

PM-500 SE系列

新建文件夹-2-652ea3ac2f82b427efcb0ebf29b50f1

 

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

92%

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

 

化学处理,浮石粉或火山灰处理,市水冲洗干净

 

 

开油

 

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。

 

 

静置

 

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。

 

 

塞孔印刷

 

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。

 

 

面油印刷

 

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。

 

 

静置

 

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。

 

 

预烤

 

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

 

 

冷却叠板

 

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

 

 

曝光

 

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

 

 

静置

 

20分钟以上,但不超过24小时

 

 

显像

 

  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

 

 

热固化

 

75℃×60分钟+100℃×30分钟+120℃×30分钟+150℃×60分钟

 

 

丝印字符

 

丝网印刷设备及固化条件依字符油墨操作条件

 

 

 

Processing instructions

Pre-treatment

 

Chemical treatment,Pumice scrub or Buff (over #1000) treatment

Rinse with distilled water

 

 

Mixing

 

Main agent and hardener agent in 7:3 mix, add appropriate thinner, shock 5-10 minutes

 

 

Hold time

 

Hold time: within 20min after printing, But not more than 24 hours

 

 

Plug hole

 

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.

 

 

Coating

 

Screen printing by 36-43T polyester screen.

 

 

Hold time

 

Hold time: within 20min after printing, But not more than 4 hours

 

 

Pre-cure

 

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

 

 

Laminate mask film

 

Hold 12-30min to cool down enough

Laminate mask film in vacuum under 40 mmHg

 

 

Exposure

 

400-1000mj/cm2 (on resist surface) to 10-12 level

vacuum under 650 mmHg

 

 

Hold time

 

Hold 20 min after exposure,But not more than 24hours

 

 

Developing

 

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

 

 

Post cure

 

 75℃*60min+100℃*30min+120℃*30min+150℃*60min

 

 

Screen print Marking ink

 

Screen printing and curing condition depend upon marking specification

 

 

 

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

OK

耐焊性

Resistance to Solder

 

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

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.