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1.5oz Rigid Flexible Printed Circuit Board For Cochlear Implants
Rigid Flex PCB Differential Controlled Printed Circuit Boards For Cochlear Implants
Rigid Flex
Rigid flex circuits have been used in the military and aerospace
industries for more than 40 years.
In rigid flex circuit boards, layers of flexible and rigid
materials are used to create both rigid and flexible areas in a
single package.
Rigid flex circuits combine the best of both rigid boards and flexible circuits integrated together into one circuit.
Rigid outer layers are connected to inner flexible layers using
copper plated vias.
Rigid flex circuits provide higher component density and better
quality control.
Designs are rigid where extra support for SMT components is needed,
and is and flexible in areas that need to bend and flex to fit into
tight spaces.
There are many high level benefits to Rigid Flex circuits
including:
Connection Reliability – Connecting rigid layers with flexible
cables is the foundation for combination rigid flex circuits.
Rigid flex constructions eliminate the need for board-to-board
connectors or wiring harnesses to link rigid boards together.
Flexible Design Options –
At Flexible Circuit Technologies, we pride ourselves on guiding
customers on the most complex of design challenges to provide the
most reliable and cost-effective designs.
Rigid flex circuits can be designed to meet highly complex and
unimaginable configurations by utilizing both rigid and flexible
substrates.
Rigid flex circuit designs can incorporate any of the following:
Highly complex configurations
Controlled Impedance
High layer count
Reduced interconnections
High Density Applications – By eliminating interconnecting
hardware, rigid flex can free up space allowing for higher
connection density. More often than not, the rigid areas of a rigid
flex circuit are utilized for high density SMT device population.
The flexible regions connecting the rigid areas allow the circuit
to be formed into a 3-dimensional shape, with multiple
interconnected rigid areas on different planes.
Package Size and Weight Reduction – Due to the ultra-thin nature of flexible circuit materials and the ability to create very narrow circuit traces, much higher connection density is possible along with a significant reduction in overall system weight.
The inherent lower mass of rigid flex makes this interconnect
system ideal in high shock and vibration applications.
YScircuit Rigid Flex PCB manufacturing capabilities overview |
Feature | capabilities | |
Layer Count | 2-20L | |
Rigid-Flex Thickness | 0.3mm-5.0mm | |
PCB thickness in flex section | 0.08-0.8mm | |
copper Thickness | 1/4OZ-10OZ | |
Minimum line Width and Space | 0.05mm/0.05mm(2mil/2mil) | |
Stiffeners | Stainless steel,PI, FR4 etc. | |
Material | Polyimide Flex+FR4,RA copper, HTE copper, polyimide, adhesive,Bondply | |
Min mechanical Drilled Size | 0.15mm(6mil) | |
Min laser Holes Size: | 0.075mm(3mil) |
|
Surface Finish | Suitable Microwave/RF PCB urface finishes: Electroless Nickel, Immersion Gold, ENEPIG, Lead free HASL,Immersion Silver.etc. | |
Solder Mask | Green, Red, Yellow, Blue, White, Black, Purple, Matte Black, Matte green.etc. | |
Covrelay (Flex Part) | Yellow Coverlay, WhiteCoverlay,Black Coverlay |
layer/m² | S<1㎡ | S<3㎡ | S<6㎡ | S<10㎡ | S<13㎡ | S<16㎡ | S<20㎡ | S<30㎡ | S<40㎡ | S<50㎡ | S<65㎡ | S<85㎡ | S<100㎡ |
1L | 4wds | 6wds | 7wds | 7wds | 9wds | 9wds | 10wds | 10wds | 10wds | 12wds | 14wds | 15wds | 16wds |
2L | 4wds | 6wds | 9wds | 9wds | 11wds | 12wds | 13wds | 13wds | 15wds | 15wds | 15wds | 15wds | 18wds |
4L | 6wds | 8wds | 12wds | 12wds | 14wds | 14wds | 14wds | 14wds | 15wds | 20wds | 25wds | 25wds | 28wds |
6L | 7wds | 9wds | 13wds | 13wds | 17wds | 18wds | 20wds | 22wds | 24wds | 25wds | 26wds | 28wds | 30wds |
8L | 9wds | 12wds | 15wds | 18wds | 20wds | 20wds | 22wds | 24wds | 26wds | 27wds | 28wds | 30wds | 30wds |
10L | 10wds | 13wds | 17wds | 18wds | 20wds | 20wds | 22wds | 24wds | 26wds | 27wds | 28wds | 30wds | 30wds |
12L | 10wds | 15wds | 17wds | 18wds | 20wds | 20wds | 22wds | 24wds | 26wds | 27wds | 28wds | 30wds | 30wds |
14L | 10wds | 16wds | 17wds | 18wds | 20wds | 20wds | 22wds | 24wds | 26wds | 27wds | 28wds | 30wds | 30wds |
16L | 10wds | 16wds | 17wds | 18wds | 20wds | 20wds | 22wds | 24wds | 26wds | 27wds | 28wds | 30wds | 30wds |
FQA
Q: Can I have my printed circuit boards in a choice of colours?
A: The pcb colour choice is often important, particularly when the
PCB will be on display in lighting, hi-fi equipment or consumer
electronics devices. We have therefore selected a PCB colour choice
to include:
Green, Blue, Black, Red and White.
Coloured boards are also useful to differentiate individual PCBs from each other (i.e. prototype boards compared to production boards), or when several circuit boards are used within one housing. Some companies also have their own corporate range of PCB colours.
The substrate itself is coloured by pigment in the epoxy resin,
which is used together with glass-fibre reinforcement to make up
the finished board, which sits beneath the copper tracks.
Our standard range of PCB colours is available for immediate
manufacture, however, if you have a requirement for a specific
colour, please contact us.