H.C.C. INTERNATIONAL LIMITED

Flexible Circuit (Flexible Printed Circuit) is a highly reliable, excellent flexible printed circuit board made of polyimide or polyester film.
With high wiring density, light weight, thin thickness, bending characteristics.
PCB process capability NO.
Project Parameters 1 Surface treatment Hot air flat. Whole plate gold-plated . . . chemical sunk gold - electroplating nickel-gold plug .
OSP treatment . . . chemical sunt
2 Number of circuit board layers 2-30
3 Minimum wire width 3mil
4 Minimum wire spacing 3mil
5 Minimum line-to-disk.disk-to-disk pitch 3mil
6 Minimum cobalt knife diameter 0.10mm
7 Minimum perforated pad diameter 10mil
8 Max drilling plate thickness ratio 1:12.5
9 Max finished size 23inch s 35inch
10 Finished thick plate range 0.21-7.0mm
11 Minimum green oil thickness 10um
12 Welding Green. Yellow. Black. Blue or transparent light-sensitive welding. Stripped blue glue
13 Min character slack sw4mil
14 Minimum character height 25mil
15 Silkscreen character color white.
16 Data File Format CERBER File and corresponding Drilling Files, PROTEL Series, PADS2000, Powerpcb Series, ODB
17 Electrical performance test 100% electrical performance test: high-voltage test 18 ALL TYPES OF SHEETS ARE SUBSTRATE-PROCESSING FR-4, HIGH TGFR4 . Rogers.Arlon.CEM-1 PTFE.
Taconic.lsola, etc.
19 Other tests require impedance testing . . . hole resistance tests , gold phase slices, etc. ; weldability - thermal shock and periodic reliability tests 20 Special process blind buried hole design . . . thick copper multi-layer plate