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碱性蚀刻液

一 、产品简介:
I Product Introduction

PC-500碱性蚀刻液为高速、高含铜量,针对细线路分外设计之电路板蚀刻液,药液波动,且合适种种如锡、锡铅、镍、金等抗蚀刻质料。
PC-500 alkaline etching solution is specially designed for thin circuit, it has high velocity and high content of copper as well as stable property, and it is applicable for such anti-etching materials as tin, tin-lead, nickel and gold.

二、 产品上风
II Product Advantages

1、高波动性,不会沉淀,维护容易;
1. High stability, no deposit and easy maintenance;
2、可调控高速蚀刻速率;
2. Adjustable etching velocity;
3、高铜含量;
3. High content of copper;
4、精良的水洗性;
4. Good washing ability;
5、可用主动添加办法控制消费;
5. Use automatic adding method to control production;
6、低侧蚀;
6. Low side-etching;
7、合适种种抗蚀刻质料。
7. Be applicable for various anti-etching materials;

三 、操纵条件
III Operating Conditions

操纵条件
Operating Condition
范畴
Scope
最刚巧
Optimum Value
氯离子
Chloride ion
170-200g/L  180g/L
铜含量
Copper content
130-170g/L  150g/L
PH 8.1-8.8 8.3-8.5
比重
Specific gravity
1.19-1.230 1.215
温度
Temperature
45-54℃ 50℃
蚀刻速率
Etching velocity
2.4-3.2米/分 依设置装备摆设及温度而差别
Different according to equipment and temperature
备注:一连消费时,须装冷冻办法
Remark: install freezing device for continuous production

四、配槽办法
IV Preparetion Method

1、用水洗濯后,排放完全再防备净水,翻开喷洒马达操纵10分钟后排挤槽内用水;
1. After cleaning with water, drain out all water and pour in clean water, open spraying motor to operate for 10 minutes and then drain out water in bath;
2、防备5-10%稀盐酸、翻开喷洒马达操纵30分钟,再排失一切槽内用水;
2. Pour in 5-10% diluted HCL, open spraying motor to operate for 30 minutes, and drain out all water in bath;
3、改用干净水反复步调(2),反省管路能否漏水;
3. Use clean water to repeat step (2) and check if the pipeline leaks water;
4、卸下一切喷嘴,浸渍于10%盐酸溶液中,洗濯壅闭,装回喷嘴;
4. Disassemble all nozzles and dip them in 10% HCL solution to clean blocks and install the nozzles;
5、防备5%氨水,翻开喷洒马达操纵30分钟,再排失一切槽内用水;
5. Pour in 5% ammonia, open spraying motor to operate for 30 minutes and drain out all water in bath;
6、改用干净水,反复步调(5);
6. Use clean water to repeat step (5);
7、防备母液,翻开温度控制阀,反省PH、比重、氯离子、铜含量并确保在范畴内,开端消费。
7. Pour in mother liquid, open temperature controlling valve, check PH, specific gravity, chloride ion and copper content, and make sure they are within scope, and then start production.

五、剖析办法:
V Analysis Method
氯含量剖析:
Analysis of Chlorine Content

1、取10mL PC-500(子、母)蚀刻液,置于250mL容量瓶中;
1. Take 10ml PC-500 (son, mother) etching liquid, and place it in a 250ml flask;
2、往容量瓶中加2~3mL氨水,用蒸馏水浓缩至刻度;
2. Add 2-3ml ammonia in flask, and use distilled water to dilute it to scale;
3、从250mL容量瓶中汲取5mL溶液,放入250mL锥形瓶中,加100mL DI水;
3. Take 5ml solution from the 250ml falsk, and place it in a 250ml conical flask, and add 100ml DI water;
4、加1mL5%铬酸钾指示剂,另加5mL 2%醋酸,溶液变亮黄色;
4. Add 1ml 5% potassium chromate indicator, and add 5ml 2% acetic acid, the solution turns to be bright yellow;
5、 用尺度0.1N硝酸银溶液滴定至微红棕色。
5. Use standard 0.1N silver nitrate for titration till the color becomes light reddish brown;
盘算:氯含量(g /L)=17.75*(0.1N硝酸银溶液毫升数)
Calculation: chlorine content (g/L) = 17.75* (ml of 0.1N silver nitrate solution)

铜含量剖析:
Analysis of Copper Content

1、取上述浓缩PC-—500蚀铜液10mL,放入250 mL锥形瓶中;
1. Take 10ml diluted PC—500 etching solution and place it in a 250ml conical flask;
2、 加50 mL蒸馏水;
2. Add 50ml distilled water;
3、加氨水数滴至清澈深蓝色;
3. Add several drops of ammonia for titration till the solution becomes bright dark blue;
4、 加MX(紫脲酸胺)指示剂0.1克;
4. Add 0.1g MX (Murexide) indicator;
5、用尺度0.1N EDTA溶液滴定至紫白色。
5. Use standard 0.1N EDTA solution for titration till the solution becomes carmine;
盘算:铜含量(g /L)=15.885×V(0.1N EDTA溶液毫升量)
Calculation: copper content (g/L) = 15.885×V(ml of 0.1N EDTA solution)

PH值测定:
Measurement of PH Value

1、取200 mL药液于200mL烧杯中;
1. Take 200ml solution and place it in a 200ml beaker;
2、以4.0 和7.0 尺度液校正PH计;
2. Use 4.0 and 7.0 standard solution to calibrate PH meter;
3、迟缓将PH电极放入烧杯中,预备读取PH计表现值为实测PH值。
3. Place PH pole slowly in beaker and read the value on PH meter as the measured value.

品 名
Product name
外 观
Appearance
比 重
Specific Gravity
P H 氯 离 子
Cl ion
PC-500 无色通明液体
Colorless transparent liquid
1.03±0.02 9.3±0.3 180±20g/L

 

 

六、产品性子
VI Product Nature
七﹑宁静防护
VII Safety Protection

PC-500为碱性液体,利用时请佩带眼罩、手套及穿宁静防护衣。若药液失慎溅及皮肤、眼睛时使用少量净水洗濯,严峻者应立刻就医诊治。
PC-500 is acid liquid, and when using it, please wear eyeshade, gloves and protective clothes; in case that solution spatters into eye or on skin, immediately flush with plenty of clean water and get medical treatment if necessary.

八、操纵题目、缘故原由及对策阐明
VIII Description to Operating Problem, Reason and Policy

题目
Problem
缘故原由
Reason
对策
Policy
速率慢
Slow
铜含量太高或太低
Copper content is too high or too low
调解铜含量或控制器比重设定值
Adjust copper content or the set controller specific gravity
温渡过低
Temperature is too low
降低温度
Increase temperature
压力偏低
Pressure is low
调解压力
Adjust pressure
氯离子偏低
Chloride ion content is too low
添加蚀刻盐
Add etching salt
PH偏低
Low PH
增加抽风量或添加氨水
Reduce induced draft or add ammonia
打气不敷
Insufficient blowing
加大打气
Increase blowing
侧蚀太大
Over side-etching
PH太高
High PH
增长抽风量或含铜量加水或氨水浓缩
Increase induced draft or copper content, add water or ammonia to dilute
压力太高
Pressure is too high
低落压力
Reduce pressure
速率太慢
Slow
调解传送速率
Adjust transmittal velocity
氯离子过高
Chloride ion content is too high
加子液或加水
Add son solution or water
铜厚度不匀称
Copper thickness is not average
改进镀铜匀称度
Improve average of copper-plating
沉淀
Deposit
铜含量过高
Copper content is too high
添加子液
Add son solution
PH过低
Low PH
添加氨水、增加抽风
Add ammonia and reduce induced draft
氯离子太低
Chloride ion content is too low
添加蚀刻盐
Add etching salt
漏水
Leak water
反省冷却管或水洗水渗漏
Check colling pipe or leakage of washing water


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