Dear customers, Please kindly have an alert that according to our project experience, we foresee that many ICs will be in very tight supply or even out of stock for a long time, so please schedule your crucial projects of 2021 beforehand. : For more details, please have an alert to this news, down load Electronic Components Price Increase Reminder_Weller Technology Co., Limited

Lamination

It is to “stack ”inner layers,prepreg (which is for insulation purpose) and copper foil of out layers (top and bottom) together.

It come out by using a combination of specific temperature(heat and cooling), pressure for a specific time to allow the resin within the pre-preg to flow and bond the layers together to form a solid multilayer panel.

Normally,there are many times of lamination process for some multi-stacked via and blind holes.

PCB layers stack up is critical to multilayer PCB,WELLER will not change customer’s stack up unless get official approval from customer. This action are far more stringent than those of other suppliers.