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PCB Tech
Overview to improve PCB advantages and FPC explanation
PCB Tech
Overview to improve PCB advantages and FPC explanation

Overview to improve PCB advantages and FPC explanation

2021-11-11
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Author:Will

(1) PCB copying has a high success rate: In addition to PCB copying experience, it also has a deep manufacturing design background; therefore, the PCB copying speed is fast and a success, and the success rate reaches 100%.

(2) PCB copy board price is low: PCB copy board price is low, because PCB company takes sustainable cooperation as the company's focus in a reasonable fee system.

(3) High-quality assurance: High-quality engineers, standard copying procedures, perfect quality assurance system, advanced manufacturing and testing equipment provide excellent quality assurance.

(4) Professional R&D capabilities: Pengxin has a number of professional software and hardware R&D engineers, ready to design the latest electronic products for customers.

(5) Reduce customer costs, save customer time, and ensure 100% success rate

pcb board

PCB copying is to clone and prototype the circuit board when there is a PCB circuit board, replace the components, make a BOM list, make a PCB file, and export a schematic diagram. We can also provide customers with PCB modification boards (addition and decrease functions, board size changes, board material changes, combining several boards into one board). PCB change board.

If you want to be able to do the reverse, you can also do the forward, that is, PCB LAYOUT. As long as customers provide schematic diagrams, or only provide circuit board samples, or only provide product function descriptions to us, we can provide customers with positive hardware circuit designs and provide customers with qualified PCB board drawings.

    Professional PCB company is engaged in PCB design, PCB copy board, PCB conversion board, complete solution of electronic products, one to 28-layer high-density PCB copy board, single-sided board, multi-layer board, multi-level laser blind buried via production capacity, Mass processing of high-precision PCB boards with a line width of 3mil (0.075mm) and an aperture of 4mil (0.10mm).

As long as one motherboard, the one-time copy is successful, and we promise to be 100% exactly the same as the original. The cost of copying the board is low, which saves the design cost for customers. Save R&D time several times! Save high salary of R&D staff!

Household appliances products: refrigerators, air conditioners, washing machines, induction cookers, rice cookers, etc.

Consumer digital products: smart phones, tablet computers, computer motherboards, MP3-4, high-quality headphones, etc.

Electronic toy products: remote control airplanes, remote control cars, electronic plush toys, electronic learning toys, games and video games, etc.

Security electronic products: DVR, monitors, video intercom systems, smart home electronic products such as smart switches, electric curtains, remote control appliances, background music, smart meters, building equipment

             Equipment, infrared cameras, infrared alarms, parking access controllers, attendance devices, fingerprint devices, all-in-one card systems, etc.

Medical and health products: B-ultrasound machine, medical hemoperfusion machine, blood oxygen analyzer...,

Health electronic products: massage pads, massagers, electronic footbaths, electronic beauty equipment, weight loss equipment, etc.

Industrial automatic equipment: embroidery machines, weaving machines, printers, scanners, etc.

Industrial control equipment: stepper motors, servo motors, communication circuit boards, radio frequency circuit boards, information collectors, etc.

Industrial testing equipment: water quality detector, air detector, infrared rangefinder, three-coordinate instrument, etc.

Automotive electronic products: trip computer, car remote control, auto parts circuit board, etc. We have made successful cases in many fields.

The business scope of pcb company includes: PCB copy board, PCB conversion, PCB file production, BOM production, PCB format conversion, PCB reverse push schematic diagram and a series of services, as well as PCB design, PCB design and development, PCB LAYOUT, etc.: According to Electrical schematics and structure diagrams use professional PCB design software for wiring design. We have a professional and experienced design team that can overcome some of the defects in the current PCB design and wiring for the full range of MTK chips.

FPC basic knowledge explanation

 [FPC: Flexible Printed Circuit (Flexible Printed Circuit) is a highly reliable and excellent flexible printed circuit board made of polyimide or polyester film. It has the characteristics of high wiring density, light weight, thin thickness and good bendability.

The basic structure of FPC

Copper foil substrate: FCCL copper foil substrate is divided into electrolytic (ED) copper and rolled copper (RA). The thickness is conventionally 1/3 1oz (mainstream manufacturers Taihong, Lianmao, Doosan, Xinyang) 1/2oz and 1/3 oz (Electrolytic copper is cheaper to manufacture but more fragile, and rolled copper is expensive to manufacture but softer)

Cover film: Coverly

Reinforcement board: generally divided into PI or FR4 material

EMI: Electromagnetic shielding film (mainstream manufacturers: Topaz, Toyo, Chengbang Dali, Fangtie)

FPC production process

1. PCB double-sided board manufacturing process

Cutting→Drilling→Black Hole→Copper Plating→Pre-processing→Paste Dry Film→Alignment→Exposure→Development→Graphic Plating→Release Film→Pretreatment→Paste Dry Film→Alignment→Exposure→Development→Etching→Release →Surface treatment→Applying cover film→Pressing→Curing→Immersing nickel gold→Printing characters→Cutting→Electrical measurement→Punching→final inspection→Packing→shipping

1. PCB single-sided board manufacturing process

Cutting → Pasting Dry Film → Alignment → Exposure → Development → Graphic Plating → Stripping → Surface Treatment → Covering Film → Pressing → Curing → Immersion of Nickel and Gold → Printing Characters → Cutting → Electrical Test → Punching → Final Inspection → Packaging → Shipment

Detailed PCB process:

Cutting material: cut the copper foil of the future material to the appropriate size

Drilling: Use a drill to drill holes in the copper foil according to the Layout drawing

Black hole: physical action of graphite and carbon powder to form a conductive film on the hole wall, and then directly form copper on the hole wall by electroplating

Immersion nickel gold: FPC leakage copper surface increase or decrease gold plating is to enhance FPC conductivity, welding performance, oxidation resistance, but in order to prevent the gold layer from penetrating into the copper layer, leading to gold infiltration, it is necessary to plate a layer of nickel on the copper surface. For isolation, nickel is too thick and has high hardness, poor flexibility, too thin and poor strength, and it is easy to fall off.