Resistor Active Laser Trimming

Laser trimming plays an important and essential role in Thick-film resistor networks, is fast and inexpensive.  This manufacturing process can adjust the resistance of thick film printed resistor for custom design.

 

Laser standard

  • MIL-STD863G  (United States Military Standard)
  • Laser trimming precision：±0.1% Resistance
 

Laser Trimming Specification

Most cost effective and simplistic
Minimum Precision

Trimming efficiency is lower than plunge cut
Precision is higher than plunge cut

L cut is used most often
Has good stability and accuracy

Serpent line cut usually used in trimming if pre-trimming resistance value is much lower than the targeted value

Used for high accuracy trimming
Low trimming efficiency but high stability

 

Total Quality Control 

  • 100% Visual Inspection