COB(Chip On Board)メタルマスク
Electro-forming stencil

COB(Chip On Board) Stencil ~Convex Type Stencil~

Features

  • Made of special nickel alloy, providing excellent durability with high resistance to cracking and chipping
  • Also offers superior printability

Application

Printing on PCB with pre-mounted obstacles such as bare chip, DAM etc. This stencil enables standard solder paste printing even when components are mounted or there are irregularities on the surface of the printed circuit board.

Benefits for customers

  • Leverages existing SMT mounting know-how
  • Shorten the manufacturing process

COB Shape Processing Examples

Please let us know your desired shape first.

Cob

Specifications

Material: Nickel alloy
Thickness: 0.08 mm to 0.28 mm
Component height: up to 2.0 mm ( Maximum height of convex part of normal type)

Printing Example Using a COB Mask

As Shown in Figure 1, boards with mounted components or packages cannot be printed using standard methods.

Cob metal mask 01 2 en
Cob2