Solder Paste Group

Group Administrators: 1 | Group Member: 198 | Group Threads: 217

Solder paste is a material used in the manufacture of printed circuit boards to connect surface mount components to pads on the board. It is also possible to solder through hole pin in paste components by print solder paste in/over the holes.

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3451 views

Application of PCB Surface Welding Resistance Layer

The solder resistance film of printed circuit board is a permanent protective layer. It not only has the function of solder resistance, protection, insulation resistance and so on, but also has a grea...(view more)

Mauro Del Signore

2019/1/23 17:57:15

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5075 views

Solder Mask Layer & Solder Paste Layer

An Introduction to the Solder Mask Layer The solder mask layer, which refers to the part of the board to be covered with green oil (solder resist ink). It will cover the solder mask oil except pa...(view more)

John Peck

2018/12/26 18:00:07

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3714 views

Soldermask and pcb

Our contract manufacturing agency have procured pcbs from approved vendor. After assembly we found solder mask separated from the PCB on the epoxy area as patches. The top side is intact. also o...(view more)

andrewr

2017/5/20 14:25:02

4 comments

4465 views

solder thief

I am looking for some design guidelines (length, width, spacing) for solder thieves which are placed behind trailing pins of wave soldered SOICs. I'd appreciate it if some one could direct me to the a...(view more)

andrea

2017/5/18 15:48:38

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4211 views

Solder Mask Bubbling On PCB

I have a board with the above problem from our PCB supplier. After they applied the solder mask and run the PCB's to HASL process, the solder mask bubbled on one side of the PCB making the solder mask...(view more)

koenver

2017/5/16 9:45:13

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3550 views

some trouble with my solder joint

Hi, I experience some trouble with my solder joint recently. And I'm wondering if someone could help me with this. First I use a thermocouple wich I must tape to the board to profile my temperat...(view more)

ned73

2017/5/9 3:52:29

1 comments

3486 views

Solder volume range

Hi, all, I have done an analysis through Statistics on solder volume whose purpose is to identify the required volume for different pitch printing (0.65 or above, 0.50, and 0.40 mm). Finally, ca...(view more)

fbrown541

2017/5/9 3:35:49

1 comments

5122 views

Factors that cause circuit board solding defects

There are several factors that cause circuit board solding defects: First, the solderability of the hole. If circuit board hole solderability is not good, it will affect the circuit compon...(view more)

Enrico Gensale

2017/5/8 14:07:52

4 comments

3520 views

Cleaning Wave Solder Conveyor

Our old Trieber Wave Solder machine is needing it's conveyor chains to be cleaned. Does anyone out there have knowledge to share about dealing with this problem?(view more)