Category:PCB Solder Paste

Group Administrators: 1 | Group Member: 194 | 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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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
0 comments
1070 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
1 comments
1135 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
1714 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
0 comments
1342 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
1 comments
1011 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
933 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
2055 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
1075 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)

julien.brasart
2017/5/8 2:09:40
1 comments
997 views

preheater calibration

Does anyone have a calibration procedure for flat radiant panel preheats used in wave solder. Any info would be greatly appreciated.(view more)

ventas
2017/5/7 4:19:17

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