2017

Summer Holiday

Works Closed

31st July-11th Aug

Printed circuit board Manufacturer, Photoplotting Established 1964  All types of Pcb, surface mount sm, PTH, SS single     single sided, PTH, IMS, ML multi layer printed circuit board  prototypes. Cheap high quality PCBs Printed circuit boards. 

Printed circuit boards tooled up from Gerber,JPG,DXF,and most common file types, or camera ready artworks either 2:1 or 1:1 std scale.

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BT Epoxy Data Sheet :-
 

Test/Specification

BT/Epoxy Typical Values

X-axis      Dimensional Stability

Y axis

Z-axis

15   ppm/C

18   ppm/C

140 ppm/C

Flammability, Classification UL94

V0

Water Absorption E-1/105

0.14%

Peel Strength After Thermal Stress

7 lb./in After 10s/288 Deg. C

Flexural Strength *

100,000 lbf/inČ Lengthwise

75,000 lbf/inČ Crosswise

Resistivity After Damp Heat Volume

10 ^7 M ohms cm

Resistivity After Damp Heat Surface

10 ^6 M ohms

Dielectric Constant @ 1MHz

4.1

Dissipation Factor @ 1MHz

0.013

Arc Resistance

115 s

Glass Transition Temperature

185 Deg. C

 

FR4 Data Sheet

FR4 Laminate

 

 
                          

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 Rev  28 July 2017

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