Thin
PCB
4
Layer
Thiner
Circuit
Board
Built
On
0.4mm
FR-4
With
Immersion
Gold
for
Data
Acquisition
1.1
General
description
This
is
a
type
of
4
layer
PCB
board
built
on
FR-4
Tg135
substrate
for
the
application
of
Data
Acquisition
Systems.
It's
0.4
mm
thick
with
white
silkscreen
on
green
solder
mask
and
immersion
gold
on
pads.
The
base
material
is
from
ITEQ
supplying
8
up
boards
per
panel.
They're
fabricated
per
IPC
6012
Class
2
using
supplied
Gerber
data.
Each
50
panels
are
packed
for
shipment.
1.2
Features
and
benifits
It's
suitable
for
handheld
and
consumer
applications.
Good
oxidation
resistance
and
good
heat
dissipation.
Comprehensive
equipment
management
and
maintenance
and
process
control
UL,
ISO9001,
IATF16949
certified
Money-saving,
Worry-saving
and
Labor-saving
No
MOQ,
low
cost
for
prototypes
and
small
runs
quantity.
1.3
Applications
GPS
Navigator,
Access
Control
System,
Antenna
Wireless,
1.4
Parameter
and
data
sheet
Number
of
Layers
|
4
|
Board
Type
|
Multilayer
PCB
|
Board
Size
|
181
x
121mm=8UP
|
Board
Thickness
|
0.4mm
+/-0.04
|
Board
Material
|
FR-4
|
Board
Material
Supplier
|
ITEQ
|
Tg
Value
of
Board
Material
|
135℃
|
|
PTH
Cu
thickness
|
≥20
um
(See
hole
wall
details)
|
Inner
Iayer
Cu
thicknes
|
17
um
(0.5
oz)
|
Surface
Cu
thickness
|
35
um
(1oz)
|
|
Solder
Mask
Type
and
Model
No.
|
LPSM,
PSR-2000GT600D
|
Solder
Mask
Supplier
|
TAIYO
|
Solder
Mask
Colour
|
Green
|
Number
of
Solder
Masks
|
2
|
Thickness
of
Solder
Mask
|
13um
|
|
Type
of
Silkscreen
Ink
|
IJR-4000
MW300
|
Supplier
of
Silkscreen
|
TAIYO
|
Color
of
Silkscreen
|
White
|
Number
of
Silkscreen
|
2
|
|
Mininum
Trace
(mil)
|
4
mil
|
Minimum
Gap(mil)
|
4
mil
|
|
Surface
Finish
|
Immersion
gold
|
RoHS
Required
|
Yes
|
Warpage
|
0.18%
|
|
Thermal
Shock
Test
|
Pass,
288±5℃,10
seconds,
3
cycles.
No
delamination,
no
blistering.
|
Solderablity
Test
|
Pass,
255±5℃,5
seconds
Wetting
Area
Least
95%
|
Function
|
100%
Pass
electrical
test
|
Workmanship
|
Compliance
with
IPC-A-600H
&
IPC-6012C
Class
2
|
Drill
table
(mm)
|
T1:
0.600
|
T2:
0.890
|
T3:
1.025
|
T4:
1.125
|
T5:
3.500
|