Large
Flexible Circuits Fine Line FPC With Coil Design
(FPC’s
are custom-made products, the picture and parameters shown are just for
reference)
General
description:
It’s a 2 layer board at 0.15mm thick. The
base laminate is from Shengyi. It’s fabricated per IPC 6012 Class 2 using
supplied Gerber data. Polyimide stiffener is applied on the inserting part.
Parameter
and data sheet:
|
Number
of Layers
|
2
|
|
Board Size
|
160
x 165mm=1PCS
|
|
Board Type
|
Flexbile
cirucit
|
|
Board Thickness
|
0.15mm
+/-10%
|
|
Board Material
|
Polyimide
(PI) 25um
|
|
Board Material Supplier
|
ITEQ
|
|
Tg Value of Board Material
|
60℃
|
|
|
|
PTH Cu thickness
|
≥20 um
|
|
Inner Iayer Cu thicknes
|
N/A
|
|
Surface Cu thickness
|
35
um (1oz)
|
|
|
|
Coverlay Colour
|
Yellow
|
|
Number of Coverlay
|
2
|
|
Thickness of Coverlay
|
25
um
|
|
Stiffener
|
NO
|
|
|
|
Type of Silkscreen Ink
|
NO
|
|
Supplier of Silkscreen
|
NO
|
|
Color of Silkscreen
|
NO
|
|
Number of Silkscreen
|
NO
|
|
|
|
Mininum Trace (mil)
|
4
mil
|
|
Minimum Gap(mil)
|
4
mil
|
|
|
|
Surface Finish
|
Immersion
Gold
|
|
RoHS Required
|
Yes
|
|
Famability
|
94-V0
|
|
|
|
Thermal Shock Test
|
Pass, -25℃±125℃, 1000 cycles.
|
|
Thermal Stress
|
Pass, 300±5℃,10 seconds, 3 cycles. No delamination, no blistering.
|
|
Function
|
100%
Pass electrical test
|
|
Workmanship
|
Compliance
with IPC-A-600H & IPC-6013C Class 2
|
Features
and benefits:
Excellent
flexibility
Reducing
the volume
Weight
reduction
Consistency
of assembly
Increased
reliability
The
end can be whole soldered
Low
cost
Continuity
of processing
Quick
and on-time delivery
Make
delivery on time. We keep higher than 98% on-time-delivery rate.
Applications:
Keypad
FPC, Industrial control computer soft board, consumer ETC (Electronic Toll
Collection ) soft board,
Basic
Types of Flexible Circuit:
There
are five basic types of flexible circuits as described below:
1.
Single-Sided Flexible Circuits
This
is the simplest type, and consists of a thin and flexible base material to
which a copper foil is laminated by means of an adhesive. The finished circuit
is frequently provided with a covercoat bonded to the copper side by means of
an adhesive.
2.
Double-Sided Flexible Circuits
As
the name suggests, the circuit consists of a thin and flexible base material
with copper foil laminated to each side. The outer sides of the finished
circuits are frequently provided with covercoats bonded to the outer sides
(copper).
3.
Multilayer Flexible Circuits
A
multilayer flexible circuit consists of a number of thin and flexible base
laminates and copper foils laminated together by means of adhesive, in very
much the same way as rigid multilayer boards. Also it is common practice to
bond covercoats to the outer sides (copper).
4.
Flex-Rigid Circuits
A
flex-rigid circuit is a combination of rigid boards and flexible circuits, the
latter creating flexible interconnects between the rigid boards to which they
are laminated by means of bond plies.
5.
Flexible Circuits with Rigid Areas
In
some cases, the flexible circuit must support a number of relatively heavy
components or even a connector part. Therefore it is necessary to reinforce
such an area. This is accomplished by bonding a stiffener to that area. The
stiffener can be an extra layer of not too thin polyimide, or it can be a
glass/epoxy laminate.
More
Displays of Large Flexible Circuits
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