UL certification for Metal core circuit boards
Single-sided and double-sided plated-through metal core circuit boards are also available with the UL certification of Multi-CB (E198312).
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…
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…
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…
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 HAL SnPb has been replaced by HAL lead-free.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…
Scoring (also known as v-cut) is used for mechanical pre-separation of circuit boards. A V-shaped breaking line is formed in the circuit board with a precision cutting tool. Please observe the…
This section of the design aid provides you with all the information you need on the mechanical processing of PCBs.
Milling - lists the available milling cutter diameters and provides tips on the…
