CONTACT US

  • TEL:86-513-81601668
  • TEL:86-18206293159
  • FAX:86-513-81601333
  • Q Q:1814836797
  • EMAIL: ywzl@zhuolida.com
  • ADD.:No. 268, Jinchuan Road, Nantong high tech Industrial Development Zone, Tongzhou District, Nantong City, Jiangsu Province

What is the reason for the uneven etching of aluminum alloy?How to exclude?

Author: Source: Date:2019/12/3 13:53:54
Information digest:
What is the reason for the uneven acid etching of aluminum alloy?How to exclude?

What is the reason for the uneven acid etching of aluminum alloy?How to exclude?

I. causes:

1. Insufficient development time and excess glue on the board surface

2. Overexposure

3. Delayed development after exposure

4. After pre-drying, it was placed too long without timely exposure

Ii. Corresponding exclusion methods:

1. Strengthen the quality management of development

2. Shorten exposure time

3. Develop in time after exposure

4. The pre-baked workpiece shall be exposed and developed in time, and the pre-baked workpiece shall be completed on the same day