A legend print / marking print (also refered to as: silkscreen or screen printing) is helpful for error-free manual assembly, but also for including a revision number, adding a company logo, warning
ENEPIG
ENEPIG (Electroless Nickel Electroless Palladium Immersion Gold) is extremely planar and has very good oxidation properties. It is ideally suited for soldering applications and aluminum wire b
The bare copper on the PCB would oxidize and compromise the components soldering. As one of the last working steps in the PCB manufacturing, the bare copper on the PCB is coated with a surface finish
Chemical gold (ENIG)
Chemical gold is also known as immersion gold or ENIG (Electroless Nickel Immersion Gold). Just as with chemical tin and chemical silver, chemical gold is an extremely flat circu
Chemical silver
Chemical silver (also known as immersion silver) is comparable to the surface finish chemical tin, with better properties concerning oxidation and contact applications. However, also
Chemical tin
The surface finish chemical tin (also known as immersion tin) is rarely requested anymore for manufacturing reasons. Due to the comparatively rapid oxidation of the copper, the shelf lif
HAL lead-free
HAL (Hot Air Leveling, also known as HASL = Hot Air Solder Leveling) lead-free is a well-proven method to apply tin as circuit board surface. Every assembler should be able to process c
HAL SnPb
HAL SnPb (lead-tin) is nowadays allowed only in certain technology fields such as medicine and aeronautics. HAL SnPb has been replaced by HAL lead-free. If the surface finish is specified on
BGAs (Ball Grid Arrays) are SMD components with connections on the bottom of the component. Each pin is provided with a solder ball. All connections are distributed in a uniform surface grid or matri
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