Double-sided pcb have one layer dielectric layer in the middle, both sides are traces layer. Multilayer PCB is a multilayer traces layer, a dielectric layer between each 2 layer, a dielectric layer may be made very thin layers . Multilayer circuit board having at least three conductive layers, wherein the outer surface 2layers, while the remaining one was synthesized in the insulating plate. Electrical connection between them is usually done by plated through holes in the circuit board on the implementation of the cross section
2-28 layer is available in our factory,
Multilayer pcb use in professional electronic equipment (computers, military equipment), especially in the case of the weight and volume overload. In high-speed circuits, the multi-substrate is also very useful, they can provide more than two layer boards for the printed circuit board designers to laying cable, and provides a large area of ground and power.
Payment & Shipping Terms:
|Min Line Space:||3mil||Min Line Width:||3mil|
|Surface Finish:||Immersion Gold||Model:||XCEM|
multilayer pcb fabrication,
multilayer pcb manufacturing
FR4 PCB Multilayer Boards ENIG High Frequency High Level Bonding Material
Quotation Requirement :
a) Base material
b) Board thickness
c) Copper thickness
d) Surface treatment
e) color of solder mask and silkscreen
|Max panel size||508*610mm|
|Board thickness tolerance||T≥0.8mm±8%.,T<0.8mm±5%|
|Wall hole copper thickness||>0.025mm(1mil)|
|Min line width||4mil/4mil(0.1/0.1mm)|
|Min bonding pad space||0.1mm(4mil)|
|PTH aperture tolerance||±0.075mm(3mil)|
|NPTH aperture tolerance||±0.05mm(2mil)|
|Hole site deviation||±0.05mm(2mil)|
|Min buried blind via||0.2mm(8mil)|
|Outer copper thickness||1oz-5oz|
|Inner cooper thickness||1/2 oz-4oz|
|SMT min green oil width||0.08mm|
|Min green oil open window||0.05mm|
|Insulation layer thickless||0.075mm-5mm|
|Special technology||Indepedance,Blind buried via,thick gold,aluminum PCB|
|Surface finish||HASL,Lead free HASL,Immersion Gold, Immersion Tin, Immersion Silver,OSP ,ENIG ,Golden finger,Blue glue,Gold plating|
Delivery Time for PCB board:
1) PCB production time: sample: 3-4 days / mass production: within 7 days
2) Component purchase: 2 days if all components is available in our domestic market.
3) PCB Assembly: samples: whthin 2 days / mass production: within 5 days
Shipping Method and Payment terms:
1. By DHL, UPS, FedEx, TNT using clients account.
2. We suggest you using our DHL, UPS, FedEx, TNT forwarder.
3. By EMS (Usually for Russia Clients), price is high.
4. By sea for mass quantity according to customer's requirement.
5. By customer's Forwarder
6.By Paypal,T/T,West Union,etc.
Testing Procedures For PCB Board:
We perform multiple quality assuring procedures before shipping out any PCB board.
* Visual Inspection
* Flying probe
* Impedance control
* Solder-ability detection
* Digital metallograghic microscope
* AOI (Automated Optical Inspection)