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Multi-Llayer Rigid-Flex PCB

Multilayer Rigid Flex PCB is a printed circuit board with multiple circuitry layers. Multilayer flexible PCB uses PI or PET as the substrate. Like rigid multilayer PCBs, multilayer laminate technology makes multilayer FPC. The simplest multilayer flexible PCB is a three-layer flexible PCB formed by covering two copper shielding layers on both sides of a single-sided flexible PCB. This three-layer flexible PCB is equivalent to a coaxial wire or shielded to a wire in electrical performance. The most commonly used multilayer flexible PCB structure is a four-layer structure, which uses metalized holes to realize interlayer interconnection. The middle two layers are generally the power layer and the ground layer. A Multilayer Flex Circuits combine several single-sided or double-sided circuits with complex interconnections, shielding and/or surface mounted technologies in a multi layer design. The Multilayer Flex Circuits may or may not be continuously laminated together throughout the production process. If your design needs require maximum flexibility, continuous lamination may not be appropriate. Multilayer Flex Circuits are an effective solution when confronted with design challenges such as: unavoidable crossovers, specific impedance requirements, elimination of crosstalk, additional shielding and high component density.

Classification:

Multi-Layer Rigid-Flex PCB

Keywords:

Multi-Layer Rigid-Flex PCB

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regan@leizzipcb.com

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Process Parameter

Item	Rigid-Flexible pcb
Max Layer	36L
Inner Layer Min Trace/Space	3/3mil
Out Layer Min Trace/Space	3.5/4mil
Inner Layer Max Copper	6oz
Out Layer Max Copper	3oz
Min Mechanical Drilling	0.15mm
Min Laser Drilling	0.1mm
Aspect Ratio(Mechanical Drilling)	12:01
Aspect Ratio(Laser Drilling)	1:01
Press Fit Hole Ttolerance	±0.05mm
PTH Tolerance	±0.075mm
NPTH Tolerance	±0.05mm
Countersink Tolerance	±0.15mm
Board Thickness	±0.1mm
Board Thickness Tolerance(＜1.0mm)	±0.1mm
Board Thickness Tolerance(≥1.0mm)	±10%
Impedance Tolerance	Single-Ended：±5Ω(≤50Ω)，±10%(＞50Ω)
Impedance Tolerance	Differential：±5Ω(≤50Ω)，±10%(＞50Ω)
Min Board Size	10*10mm
Max Board Size	22.5*30inch
Contour Tolerance	±0.1mm
Min BGA	7mil
Min SMT	7*10mil
Surface Treatment	ENIG,Gold Finger,Immersion Silver,Immersion Tin,HASL(LF),OSP,ENEPIG,Flash Gold;Hard gold plating
Solder Mask	Green Solder Mask/Black PI/Yellow PI
Min Solder Mask Clearance	1.5mil
Min Solder Mask Dam	3mil
Legend	White,Black,Red,Yellow
Min Legend Width/Height	4/23mil
Strain Fillet Width	1.5±0.5mm
Bow & Twist	0.05%

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Consumer Electronics

Aerospace

Telecommunications

Military Defense

Automotive Industry

Industrial Control

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For small packages, we advise to choose by express (such as DHL, UPS, FedEx, and EMS by door to door service!)is the quickest way.
For heavy packages, the best solution is by seafreight.