PCB DEFECT DIAGNOSIS

Nail heading

Problem → causes → verification → initial corrective action. Preliminary guidance to be validated on the actual process.

01

Problem

Nail heading

02

Possible causes

Mechanical stress on inner copper, unsuitable geometry or parameters, or difficult material.

03

Verification

Measure copper deformation in the microsection and correlate it with diameter, stack and tool.

04

Initial actions

Review geometry, hit count, parameters, entry material and spindle condition.

Request initial assessment