PROCESS COMPARISON

  • What Chang-Fong Can Do
  • What is the most economical choice
  • Why Choose Chang-Fong

Process Comparison for thin stencil (0.015~0.02mm thick)

Process Comparison Laser Cut Electroforming
Material SUS304 From Japan Copper-Nickel Alloys
minimum thickness 0.02mm
0.015mm extra processing		 0.015mm
Minimum Aperture 0.03mm for round shape
0.05mm for rectangular shape		 0.03mm
Minimum distance between apertures 0.04mm unsure
aperture/each hour 51200 unknown
Production time one day at least 3 days
Cost 1/2~1/3 price of Electroforming stencil for stencil with 50,000-100,000 apertures (FOB) Double price (or more expensive) of Laser cut stencil for stencil with 100,000 apertures (FOB)
Concern *Opening size accuracy of ±3μm *The stability of cu-ni is the key factor; the location of deposition may be inaccurate if cu-ni liquid is unstable
*The defective rate of apertures may be 3~5%
*Opening size accuracy of ±3μm
Delivery Time 3-7 days for DHL/TNT/UPS Express 6-10 days for DHL/TNT/UPS Express
Application BGA, IC,LED etc. BGA, IC,LED etc.
  • *An order with (under) 100,000 apertures is accepted; laser-cut stencil with 0.02mm thickness and 100,000 apertures is the most economical choice.
  • *An order with (above) 100,000 apertures is discussable, please contact us via cf. cf.laser@chang-fong.com.tw