Flexible PCB

 

Adhesiveless HD FPCB and Rigid- Flexible PCB production:

( less energy, water, chemicals, space and equipment)

Main market  demands : miniaturization, cost, reliable, thermal stability ,  bio compatible .

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The main parameters for the HD FPCB production process, just for 3 steps.

Base materials, these products are available on the market:

PI, PET and another polymeric films (Kapton. Mylar or similar).

A standard film in a roll: a thickness: 10-50 microns,
a roll width : 320, 640 mm.

The speed of a film treatment : R2R process (3 steps):

1. ~ 1000 m/h; 2. ~50 m/h; 3. ~ 100 m/h.

1-st step.
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The main parameters for the HD FPCB production process, just for 3 steps.
2-nd step.

Materials for a previous process:

A metal plate in accordance with a size of a FPCB pictire and the film.
A standard photoresist and equiepment for HD FPCB picture creation. For ultra fine conductor lines from ~ 5 microns for a width.
A duration of the standard process is ~ 2 hours.
The metal plate with a photolitigraphic pictures has being used for a few times ( up to 5-10 times) in the production process.

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The electroplating process.
The 3-d step.

A standard Cu- electrolyte. A power supply.
An electroplating bath. A standard washing and drying equipment.
Material of a conductor layer is cooper ( an electroplating quality).
Another metals and alloys could be used.
The thickness of a electroplated layer is from 2 microns , on demand.
All layers of a multilayer FPCB have being prepared at the same time in the equal conditions, simultaneously.
Nobody can do the same yet!
A duration of the process (sheet –by -sheet) is :
15-20 min for a single sided FPCB,
30-40 min for a duplicated picture on the back and for a multilayer FPCB.

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So,
The final product’s cost is cheaper
in 3-4 times.
The production process is faster,
in 10 times.

A level of reliability could be higher on orders.

Now, using the Reutov’s technology,
even a scholar can prepare FPCB in a class room .

It could be really affordable for everybody .

SUMMARY
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Easy, fast, cost effective and ECO friendly.

 

 

  • Ultra fine adhesiveless HDI Flexible PCB (FPCB).

  • No laminates , no THVs  drilling and  THVs’ metallization

    for a direct an adhesiveless FPCB  production.

  • Z-axis metallic conductivity in a polymeric film.

  • Different metals  thickness for the conductive lines of a FPCB.

  • Chip-scale and 3D (2.5) packaging opportunities.

  • A width of a metallic conductive line/space is from 5 microns.

  • A thickness of a conductive layer is from 2 microns.

  • A polymeric film thickness: 10- 50 microns.