PCB Assembly
            PCB ASSEMBLY                                                                                                                                       ehua.tw@msa.hinet.net



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         PCB Assembly
 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 ¡Ñ 736 mm

Min. IC Pitch 

0.30 mm

Max. PCB Size

410 mm ¡Ñ 360 mm

Min. PCB Thickness

0.35 mm

Min. Chip Size 

0201(0.2¡¨ ¡Ñ 0.1¡¨) / 0603 (0.6 mm ¡Ñ 0.3 mm)

Max. BGA Size 

74 mm ¡Ñ 74 mm

BGA Ball Pitch

1.00 mm (Min) ¡F3.00 mm (Max)

BGA Ball Diameter

0.40 mm (Min) ¡F1.00 mm (Max)

QFP Lead Pitch 

0.38 mm (Min) ¡F2.54 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¢J
Tetra Functional 150¢J
High Tg180¢J
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 ¡Ó 5mil
Drilling Vias Blind Vias
Buried Vias
Plated Hole Size Min. 10mil
Hole to Hole Pitch Min. 40mil
Drill True Position Tolerance ¡Ó2mil
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£g"
Min. 50 £g"
Electrolytic Gold Max. 30 £g"
Immersion Gold Max. 3 £g"
Immersion Silver Max. 3 £g"
Immersion Tin Max. 3 £g"
Electroless Nickel Max. 500 £g"
Entek, Cu56 & Cu106a Max. 20 £g"
Solder Mask Solder Mask Thickness Max. 0.8mil
Min. 0.4mil
Solder Mask Dam Width Min. 4mil
Solder Mask Registration Tolerance ¡Ó2mil
Edging Routing Width Min. 30mil
V-Groove Angle Min. 30¢X
V-Groove Thickness Min. 8mil
Bevelling Gradient Min. 25¢X
Testing SMT Pitch Min. 10mil
BGA Pitch Min. 32mil
Impedance Control Tolerance ¡Ó10%
Differential Impedance Control Tolerance ¡Ó10%

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

Welcome the small order.
E-mail us to find out how we can fill your requirements.

PCB Assembly
Product manufacturing reference
PCB Assembly
Product manufacturing reference
PCB Assembly
Product manufacturing reference
PCB Assembly
Product manufacturing reference
PCB Assembly
Product manufacturing reference

Ehua Co. Ltd
12F., No.780, Zhongzheng Rd., Zhonghe Dist, New Taipei City 23586, Taiwan
TEL : 886-2-3234-0225 FAX : 886-2-3234-0226
E-Mail :
ehua.tw@msa.hinet.net


     

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