应用于水平及垂直反脉冲电镀(Pulse Reverse Plating)或直流电镀(Direct Current Plating),可生产具优异均匀性与延展性的镀铜品质。

 


1.
不论水平反脉冲或直流电镀,均可在相同槽液组成下,使用同一添加剂。
2.
对不同板厚、孔径及通、盲孔,在同一操作条件下,可同时得到最佳之各类表现。
 * 一般制程Throwing Power(IPC standard)均可达100%以上。
 * 水平系统之均匀性(distribution)3σ<10%,垂直系统则3σ<20%
 * 镀层具细致及高延展特性,Elongation>20%
 * Thermal Stress信赖度测试中,可通过6~8 cycles
3.
水平电镀系统可于低铜下(110g/L)操作,除具有优异之铜品质及板面均匀性外;更可减轻设备
 维护保养之负担。
4.本公司除一般监控铜品质方法外,尚可用ICP测槽液金属污染值及HPLC来分析裂解之光泽剂,
 对客户之品质要求,有更专业之保证。

 

 

延展性

抗拉强度

信赖度

均匀性
(3õ)

结晶构造

25°C

180°C

25°C

180°C

热应力

垂直

>25%

>23%

45 kpsi

41 kpsi

3-6 cycles

<20%

Fine Grained

水平

>22%

>21%

48 kpsi

44 kpsi

8-10 cycyles

<8%
(80ASF)

<10%
(250ASF)

Fine Grained

  

 

微蚀后的铜层结构为细致之结晶

  

fine-grained, equiaxed

 

水平反脉冲电镀

1. Through Hole80ASF

 

Board =64mil
Hole=11.8mil
A/R=5.4

Board=128mil
Hole=16mil
A/ R=8

Shadow-T/P(Min)=95%

 PTH T/P(Min)=82%

T/P (IPC)

110%

 T/PIPC)

110%

2. Micro Blind Via Hole
 孔径=3~3.5mil  Aspect Ratio=1~1.2  Throwing Power100~110%
 (前制程为 Shadow & PTH)

Hole Size = 3.5mil.
A / R =1

Hole Size = 3mil.
A / R =1.2

Hole Size = 6mil.
A / R = 0.8

Hole Size = 4mil.
A / R = 0.6

 

水平直流电镀

1. Through Hole60ASF

 

96mil / 0.3mm A/R=8.1

80mil / 0.3mm A/R=6.8

PTH--T/P(min)=69%

PTH--T/P(min)=73%
SHADOW--T/P(min)=72%

垂直电镀

板厚:64mil 孔径: 9.8mil A/R=6.5
30ASF (For PTH)T/P(Min.)=85%
T/P(IPC) =100%

板厚:260mil. 孔径:20mil A/R=13
12ASF (For PTH) T/P(Min)=55%
T/P(IPC)=86%

      2. Micro Blind Via Hole
 孔径=4~6mil Aspect Ratio=0.5~0.8 Throwing Power=80~100%
 (前制程为 Shadow & PTH)

C.D.=60ASF For PTH

Hole Size = 3.5mil.
A / R = 0.7

Hole Size = 5mil.
A / R = 0.5

Hole Size = 4mil.
A / R = 0.6

Hole Size = 6mil.
A / R = 0.4