Products

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Single Sided PCB
These are the simplest printed circuit boards. Single-sided printed circuits do not require plating through holes and have a circuit pattern only on one side.
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Double Sided PCB
Double sided printed circuits are one step up from the single-sided PCBs in their complexity. When fabricating double-sided boards, through-holes are usually required between the top and bottom pads; these pads are connected using a special copper plating process commonly referred to as Plated Through Hole (PTH).
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Multilayer PCB
Multilayer printed circuits consist of four or more circuit layers bonded together by a thickness of insulating material called prepreg and core.
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Hot Air Leveling (HAL) or HAL-lead free
Solder Mask over bare copper (SMOBC) and HAL-lead free (RoHS) or 63/37 Tin-lead over copper is the final finish. Copper is exposed by solder mask, is coated by Hot Air Solder Leveling (HASL).
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Flash Gold
Guaranteed for Ultrasonic Bonding, Ball Grid Array (BGA), Lead free and RoHs compliant materials, Extremely flat and uniform.
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Hard Gold (contact / bonding)
Gold fingers for contact purpose, Pads for rotary switch, Pads for Thermosonic Bonding, Lead free and RoHs compliant material.
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Entek
Lead free & RoHs compliant materials, Extremely flat & uniform.
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Electroless Nickel Immersion Gold finish (ENIG)
Contact surfaces. Minimum 1 micro-inch Gold over 100 micro-inch, Nickel Solderable surfaces, Electroless Nickel / Immersion Gold, Lead free and RoHs compliant materials, Extremely flat and uniform.

We produce not only PCBs but also a wide array of products that will be perfect for your applications. Our Printed Circuit Boards are 100% guaranteed in accordance with IPC-6012 and IPC-A600 class II standards. We are an ISO-9001:2008 company.

3 Day Protos always provides the best possible precision quality and machining; we create world-class PCBs. Hole diameter, copper foil thickness, material length, and other specs are precisely adhered to.

3 Day Protos always provide the best quality printed
circuit boards with on time delivery.

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