+46 859 035 490 jkem@jkem.se

Desmearing technology

Versatile technologies: optimize vertical and horizontal processes

J-KEM offers the highest quality versatile desmear technology. Vertical and horizontal processes can be optimized according to different Tg-values and for flexible PCB production.

Desmeared FR4

Desmeared high Tg

SWELL TECHNOLOGY:
• Unique formulations for superior swelling of high Tg material
• Preferred process in SBU technology

DESMEAR TECHNOLOGY:
• Perfect micro-roughness
• Wide temperature range optimizes results for different Tg-values
• Maximum copper-copper adhesion

NEUTRALIZE TECHNOLOGY:
• Non-etching for three-point connection
• Totally residue-free copper surface

Horizontal

Step Product Time
horizontal
Temperature
horizontal
1 SWELL 7102 H 90 sec 75°C
2 Warm rinsing
3 DESMEAR 7110 H 150 sec 80°C
4 Rinsing
5 NEUTRALISER 7135L-H 50 sec 45°C
6 Rinsing

Vertical

Step Product Time
vertical
Temperature
vertical
1 SWELL 7100 5 min 65°C
2 Warm rinsing
3 Rinsing
4 DESMEAR 7110  10 min 75°C
4 Rinsing 30 sec room temp.
5 NEUTRALISER 7135 2 min 35°C
6 Rinsing
7 Drying