EBest Circuit (Best Technology) Co.,Ltd
This extra thin printed circuit means the thickness of printed circuit board is more thin than normal PCB. Normal thickness of PCB is from 1.0 mm to 2.0 mm, and the Min thickness is 0.3 mm or 0.4 mm (1L or 2L). For 4L PCB, thickness will be more about 0.6mm. This type of board always named as thin PCB, or thin board.
But sometimes, limited to space or margin, or needed by design purpose, people need much thinner thickness such as 0.25 mm, 0.20 mm, or even 0.15 mm, so that the PCB can be used in such as SIM card, sensor card, and so on. Because of extreme thickness, extra thin PCB, or very thin PCB name came out.
With the market demand pushing for thinner devices, people are trying to make the design more portable, lighter, and more flexible, so the application for the extra thin PCB are used more and more widely.
Extra thin FR4 PCB can be manufactured as thin as a flexible PCB, bendable similar like a flexible circuit, but more rigid, and cost will be lower, comparing with the same copper traces on each board.
For extra thin PCB, we can make it at 0.15 mm, 0.20 mm, 0.25 mm, 0.30 mm, with or without the solder mask, and copper thickness ½ OZ, 1 OZ, 2 OZ, 3 OZ.
Click here to see pictures of our ultra thin PCB boards.
Different with the flexible PCB, extra thin PCB refers to a PCB substrate made by FR4 materials. But if you need board thickness less than 0.10 mm, then you should use flexible circuit which can be 0.06 mm for 1L FPC or 0.10 mm for 2L FPC.
Limited to the thin thickness, the board stack up for extra thin PCB is more simple than other printed circuits boards, though its structure is almost same as a normal FR4 PCB, but with thinner core and prepreg for production. Here some board structure for 2L - 4L extra thin PCB for your reference.
Manufacturing process of extra thin board is almost the same as that of normal FR4 PCB board, but since it is much thinner, so EBest Circuit (Best Technology) will control each manufacturing process more carefully and precisely, and for some process, different manufacturing device will be used so that to make sure the extra thin boards to be handled smoothly during the process.
Here is an FAQ for the extra thin PCB, they are popular questions inquired from most of the customers.
Welcome to contact us today if you have any more questions about, or want to make extra thin PCB, EBest Circuit (Best Technology) will be your reliable manufacturer of extra thin PCB, to make your design come true!
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EBest Circuit (Best Technology) is the professional manufacturer of Metal Core PCB, ceramic PCB, FR4 PCB esp heavy copper PCB, 0.15-0.30mm extra thin PCB, Rigid-flex and PCBA (SMT), full turn-key service in China, with more than 20 years of experience, always reply within 12 hours, with best service at good price.
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