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 Our services for the PCB Assembly
Re-layout for shortening the board size
Bare pc board fabrication
SMT/BGA/DIP assembly
Full component procurement or the substitute components sourcing
Wire harness and cable assembly
Metal parts, rubber parts and plastic parts including mold making
Mechanical, case and rubber molding assembly
Functional testing
Repairs and inspection of the sub-finished / finished goods
Our capabilities for the PCB Assembly
Stencil Size Range |
736 mm x 736 mm |
Min. IC Pitch |
0.30 mm |
Max. PCB Size |
410 mm x360 mm |
Min. PCB Thickness |
0.35 mm |
Min. Chip Size |
0201(0.2" x 0.1") / 0603 (0.6 mmx 0.3 mm) |
Max. BGA Size |
74 mm x74 mm |
BGA Ball Pitch |
1.00 mm (Min) ; 3.00 mm (Max) |
BGA Ball Diameter |
0.40 mm (Min) ; 1.00 mm (Max) |
QFP Lead Pitch |
0.38 mm (Min) ; 2.54 mm (Max) |
Frequency of Stencil Cleaning |
1 time / 5 ~ 10 Pieces |
Our capabilities for handling the Bare PC Board fabrication
| Process Step |
Items |
Capability |
| Material |
Request Material Tg |
Tetra Functional 136°C
Tetra Functional 150°C
High Tg180°C |
| Copper Foil |
Max. 3 oz
Min. 0.3 oz |
Board
Dimension |
Panel Size |
Max. 20"X 24" ( 508mm X 610 mm ) |
| Array Size |
Max. 18"X 20" ( 457 mm X 508 mm ) |
| Board Thickness |
Max. 157mil ( 4.0mm )
Min. Multilayer: 16mil ( 0.4mm ) |
| Inner Layer |
Trace Width / Space |
Min. 3 / 3 mil |
| Copper Weight |
Max. 2 oz
Min. 0.3 oz |
| Core Thickness |
Max. 80 mil or 2.0 mm
Min. 2mil or 0.76mm |
| Lamination |
Layer Count |
Max. 14 layers
Min. 2 layers |
| Layer to Layer Registration |
Tolerance ± 5mil |
| Drilling |
Vias |
Blind Vias
Buried Vias |
| Plated Hole Size |
Min. 10mil |
| Hole to Hole Pitch |
Min. 40mil |
| Drill True Position |
Tolerance ±2mil |
| Plating |
Aspect Ratio |
1:6 |
| Through Hole Cu Thickness |
0.8mil |
| Outer Layer |
Trace Width / Space |
Min. 4 / 4mil |
| Finished Trace Copper Thickness |
Max. 4mil
Min. 1mil |
| Surface Finish |
H.A.S.L. |
Max. 900 µ"
Min. 50 µ" |
| Electrolytic Gold |
Max. 30 µ" |
| Immersion Gold |
Max. 3 µ" |
| Immersion Silver |
Max. 3 µ" |
| Immersion Tin |
Max. 3 µ" |
| Electroless Nickel |
Max. 500 µ" |
| Entek, Cu56 & Cu106a |
Max. 20 µ" |
| Solder Mask |
Solder Mask Thickness |
Max. 0.8mil
Min. 0.4mil |
| Solder Mask Dam Width |
Min. 4mil |
| Solder Mask Registration |
Tolerance ±2mil |
| Edging |
Routing Width |
Min. 30mil |
| V-Groove Angle |
Min. 30° |
| V-Groove Thickness |
Min. 8mil |
| Bevelling Gradient |
Min. 25° |
| Testing |
SMT Pitch |
Min. 10mil |
| BGA Pitch |
Min. 32mil |
| Impedance Control |
Tolerance ±10% |
| Differential Impedance Control |
Tolerance ±10% |
Our manufacturing experience includes, but is not limited to:
Note Book fields |
CHARGER BOARD |
INVERTER |
POWER CPU |
LVDS CARD |
IR BOARD |
LCD MOTHERBOARD |
LED BOARD |
RAM CARD |
DATA BOARD |
BATT BOARD |
DVR MOTHERBOARD |
USB BOARD |
CARD READER |
AUDIO BOARD |
ISDN MODEN |
PC fields |
2.5"HDD |
PC/MAC FDD |
DOCKING
PORT |
PORT REPILICATOR |
PCMCIA CARD |
3.5"HDD |
SATA HDD |
ADAPTER |
DVD ROM |
SSD |
Telecom fields |
DVBT.ATSC TV |
GPS UNIT |
CAR GPS UNIT |
ADSL MODEN |
3.5"DVB-T RECEIVER |
Audio & Video fields |
MPEG 4 PLAYER |
KVM SWITCH |
E-BOOK READER |
HDMI BOX |
DVI BOX |
Electronic Security fields |
LCD TV MOTHERBOARD |
DVR MOTHERBOARD |
CCD BOARD |
IP CAMERA |
CCTV CAMERA |
Health
& Medical fields |
DIGITAL TEMS UNIT |
EAR THERMOMETER |
BLOOD GLUCOSE TEST METERS |
BODY FAT MONITOR |
DIGITAL BLOOD PRESSURE MONITOR |
LED Application fields |
LED AUTO LAMP |
LED ROPE LIGHT |
LED BULB |
OUTDOOR
LED DISPLAY |
PROJECTION LIGHTING |
Test Instrument fields |
OSCILLOSCOPE |
POWER SUPPLY |
L.C.R. METER |
LOGIC ANALYZER |
MULTIMETER |
Consumer Electronics fields |
SENSORS BOARD |
DRIVER BOARD |
USB DVIVER BOARD |
BAR-CODE PRINTER |
MP3 PLAYER |
SOLAR PANEL MODULE |
PEN TABLET |
USB HUB |
USB CARD READER |
USB FLASH DRIVE |
Get a quote from Ehua for your custom (OEM ) product inquiry
In order to estimate an accurate quotation, the list below represents the minimum information we need from you.
The Complete Data of the Gerber Files for the Bare PC Board
Electronic Bill of Material/ Parts list detailing manufacturer's part numbers, quantity used and component references.
Is it Free Issue or fully procured?
Assembly Drawing(s)
Functional Test Time Per Board
Quality Standards Required
Sample (if possible)
Volume Requirements
Date the quotation needs to be submitted
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