SMT stencil and Laser Stencil

SMD stencil(Solder paste stencil) is necessary for Surface Mount Assembly.

How to order SMD Stencils?

Please send us the design files by email and specify the stencil size you required, we will back to you shortly. Normally we suggest you to order it together with the PCB boards.

Usage Method

Print solder paste through the SMD stencil, the stencil could ensure the solder paste be printed with the right amount on the right position. After the SMD pads printed with correct solder paste, you can place surface mount components on the PCB boards and put it into a reflow oven.

Stencil Type

The stencil is a bare stainless steel sheet (304HTA). It could be in a frame or without a frame. The framework is for automated stencil machines. Non-framework is for hand solder. Usually, the framework is heavier and bigger than non-framework which cased extra shipping fee. 

Existing Fiducials

Fiducials are positioning points for automated stencil machines. The diameter of the fiducials is usually 1mm. We offered three options: none, half lasered and lasered through. Half lasered is a sunk bump, lasered through is a through-hole. Half lasered is for automated stencil machines. Lasered through is for hand solder or semi-automated stencil machine. Please note that if you choose half lasered or lasered through, but there are no fiducials inside, we’ll ignore this option.

Electropolishing

Electropolishing (also known as electrochemical deburring) will remove small burrs, improve the surface quality and provide smooth inside walls for better paste release. This treatment is mainly for IC lead width less than 0.5mm and BGA chips.