Multilayer Rigid-Flex PCBs

Multilayer rigid-flex PCB with interconnected rigid and flexible circuit sections Select 89 more words to run Humanizer.

What Are Multilayer Printed Circuit Boards?

A multilayer printed circuit board has three or more copper layers. The layers are joined together to form one board. Plated through holes and vias make electrical connections between the layers.

A multilayer PCB can be rigid, flexible, or rigid-flex. A rigid-flex PCB combines rigid and flexible sections in one board. The flexible sections can bend or fold. They also connect the rigid sections.

Rigid-flex technology can replace separate PCBs, wires, cables, and connectors. This can reduce the number of parts, save space, and make assembly easier. It can also improve connection reliability and create a cleaner, more compact electronic assembly.

Multilayer PCB Capabilities and Advanced Technology

Topline Circuit supports multilayer PCB projects with different materials, stack-ups, layer counts, and design requirements. Our engineers review your files before production. 

They check the stack-up, materials, impedance requirements, vias, and other key details.

We provide PCB fabrication, component sourcing, and PCB assembly through one supplier. This helps simplify project management and keeps each production step connected.

Full-Service PCB Support

Our full-service capabilities include:

  • Engineering support for design and manufacturing questions
  • DFM review to find possible production issues and cost drivers
  • Support for complex PCB and PCBA projects
  • PCB fabrication, component sourcing, and assembly through one supplier

We also follow new PCB technology, materials, and manufacturing methods. This helps us support different project needs and provide a practical production plan.

Multilayer PCB Capabilities

PCB LAYOUT

Altium
Allegro
Mentor PADS

PCB FABRICATION

Flexible Circuits
Multilayer Rigid-Flex PCBs
RF Microwave
Custom PCB
Copper & Epoxy Filled Vias
HDI PCB
High Frequency PCBs
High TG PCBs
Heavy Copper PCBs
Buried Capacitance
Controlled Impedance PCBs
Metal Core & Metal Back PCB

PCB ASSEMBLY

Flex and Rigid-Flex PCB Assembly
BGA Assembly
SMT Assembly
Turnkey
XRAY
Wire Bonding
Rigid-flex PCB structure with rigid and flexible circuit layers

Quick Turn PCB Support

Topline Circuit supports quick-turn PCB fabrication for prototypes and small production runs. Our engineers review your files, materials, stack-up, quantity, and testing requirements. We then confirm the production plan and lead time for your project.

What Our Clients Say

“Topline Circuit supported our prototype PCBA from BOM review through assembly and X-ray inspection. The team identified several component and footprint issues before production, which helped us avoid rework.”
Michael SmithPurchasing Manager
“The HDI PCB samples were delivered with clear inspection records and stable quality. Communication was responsive, and the engineering team confirmed the stack-up and impedance requirements before production.”
David JohnsonProduct Director
“We sent the Gerber files, BOM, and assembly drawings for a turnkey project. Topline Circuit handled component sourcing, SMT assembly, inspection, and testing, and kept us updated throughout the order.”
Lisa WangProject Engineer
“We first ordered a small prototype batch and later moved to repeat production. The documentation, component control, and production consistency made the transition much easier.”
Lisa WangProject Engineer
“The team reviewed our BOM, identified long-lead components, and suggested approved alternatives for our confirmation. This helped us keep the assembly schedule under control.”
SASHAElectrical Engineer

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Multilayer PCB with copper-filled microvias and epoxy-filled vias

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