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The Surface Wettability of Circuit Board SMT Chip Processing You are here:

Surface wetting of SMT chip proofing refers to a phenomenon when the solder spreads and covers the surface of the metal to be soldered during sold...

3D Printing and its Advanced Technologies

In the world of advertisement, 3D painting is very much popular. This 3D technology can create some alluring effect to the overall advertising. The...

Printed Circuit Boards Glossary:Design,Fabrication and Assembly-Z

Z-Stroke The movement of the head of a component placement machine in the vertical place for parts orientation and insertion.

Printed Circuit Boards Glossary:Design,Fabrication and Assembly-Y

Yield The ratio of usable parts at the end of a manufacturing process to the number of components submitted for processing.

Printed Circuit Boards Glossary:Design,Fabrication and Assembly-W

Wicking Capillary absorption of liquid along the fibres of the base material. Whisker A needle-shaped metallic growth on a printed circuit board. W...

Printed Circuit Boards Glossary:Design,Fabrication and Assembly-V

Voltage Plane A conductor or portion of a conductor layer on or in a printed board which is maintained at other than ground potential. It can also ...

Printed Circuit Boards Glossary:Design,Fabrication and Assembly-U

Unsupported Hold A hole containing no conductive material nor any other type of reinforcement. Underwriters’ Symbol A logotype authorized for place...

Printed Circuit Boards Glossary:Design,Fabrication and Assembly-T

Twist The deformation of a rectangular sheet, panel or printed board, that occurs parallel to a diagonal across its surface in such a way that one ...

Printed Circuit Boards Glossary:Design,Fabrication and Assembly-S

Swaged Lead A component lead wire that extends through a hole in a printed board and its lead extension is flattened(swaged)to secure the component...

Printed Circuit Boards Glossary:Design,Fabrication and Assembly-R

Rosin  A hard, natural resin (nowadays also synthetic),consisting of abietic and primaric acids and their isomers, some fatty acids and terpene hyd...

Printed Circuit Boards Glossary:Design,Fabrication and Assembly-P

PWB Printed Wiring Board; same as PCB. Pull Strength See Bond Strength. PTH Plated through-holes. Plating the holes on their internal wall. Product...

Printed Circuit Boards Glossary:Design,Fabrication and Assembly-O

Overhang Increase in printed circuit conductor width caused by plating build-up or by undercutting during etching. Outgrowth The increase in conduc...