Category:PCB Assembly Solder Paste

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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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Search Results: 220 Threads,22 Pages
1 answers
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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... (See More)

andrewr
2017-05-20 14:25:02
VICENTE
2017-05-20 14:53:19
4 answers
166 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... (See More)

andrea
2017-05-18 15:48:38
Waelson Negreiros
2017-02-28 15:48:38
0 answers
77 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... (See More)

koenver
2017-05-16 09:45:13
1 answers
190 views

Sadering

A bit off the subject but I am hoping to get an answer on this forum. In dealing with our customer, there are times when I would say "soldering" (as in solder) and have customers correct me and state ... (See More)

Benson
2017-05-10 08:12:54
Clive Goodfield
2017-05-10 09:25:53
1 answers
145 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... (See More)

ned73
2017-05-09 03:52:29
Burgess
2017-05-09 05:10:33
1 answers
81 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... (See More)

fbrown541
2017-05-09 03:35:49
Fly
2017-05-09 19:01:31
1 answers
213 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... (See More)

Enrico Gensale
2017-05-08 14:07:52
Jana Velicova
2017-05-09 17:48:15
4 answers
184 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? (See More)

julien.brasart
2017-05-08 02:09:40
Enrico Alessi
2017-03-01 02:09:40
1 answers
214 views

preheater calibration

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

ventas
2017-05-07 04:19:17
Theo van Eijken
2017-05-07 16:35:26
1 answers
186 views

Soldering PTH

Hi Folk's, a quick and easy? question. Got a card with PTH edge stiffeners fitted to it so we need to flow solder them. Having problems getting hole fill, mainly I think due to 2 things, poor pi... (See More)

anjenkuhn
2017-05-06 04:27:32
Stefano Vittorio
2017-05-06 10:53:24
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