Language
English Español Français

Custom Double Sided PCB

Home / Products / PCB / Double-sided PCB

Double Sided PCB Manufacturers

When single-sided space is insufficient for complex circuit interconnection requirements, double-sided PCBs offer a classic and efficient solution. They form conductive traces on both sides of an insulating substrate and interconnect layers through metallized vias, freeing circuit design from the constraints of a single surface and significantly enhancing layout freedom.

Take this double-sided gold-plated PCB as an example, and it exemplifies the superior craftsmanship of this type of circuit board. Its core utilizes Shengyi brand FR-4 material, which offers excellent electrical insulation and mechanical strength. With a 1.6mm board thickness, the 36µm finished copper thickness ensures ample current-carrying capacity.

This board's manufacturing highlights its precise trace design (0.15mm line width/0.12mm line spacing) and minimum drilling depth of 0.3mm, meeting the requirements of high-density wiring. Its surface is treated with electroless nickel-gold plating, providing a flat soldering surface and excellent oxidation resistance, making it ideal for subsequent placement of precision components. The royal blue solder mask and white text complement each other, lending the product a unique appearance while ensuring clear and legible markings.

This mature and reliable structure makes double-sided PCB an ideal choice for achieving a balance between stable performance and cost-effectiveness in various fields such as industrial control, automotive electronics and smart home appliances.

About
Anhui Hongxin Electronic Technology Co., Ltd.
Anhui Hongxin Electronic Technology Co., Ltd.
Anhui Hongxin Electronic Technology Co., Ltd. is China Double Sided PCB Manufacturers and Custom Double Sided PCB Company. It is located in the China PCB Industrial Park, Guangde Economic Development District, Anhui Province. Established in October 2013, our factory occupies 20,000 square meters and employs 110 staff members, including over 7 professional engineers with more than 15 years of experience. The company's PCB products include 1-32 layer boards, high-Tg boards, thick copper boards, rigid-flex boards, high-frequency boards, hybrid dielectric laminated boards, buried via boards, metal-based boards, and halogen-free boards. High-precision PCB rapid prototyping is available, with bulk orders for single- and double-sided boards delivered within 6-7 days, 4-8 layer boards within 9-20 days, 10-16 layer boards within 20-25 days, 16-32 layer boards within 25-45 days, HDI boards within 25 days, and double-sided prototyping deliverable as quickly as 24 hours. We are committed to providing high-quality products and professional services to global customers, and we have the capability to deliver both large quantities and small batches. The surface treatment processes of our products are complete. The base material types include FR-1, 22F, CEM-1, CEM-3, FR-4 (with high Tg, halogen-free, etc.), high-frequency boards, and metal substrates. All product types have passed ISO9001, ISO14001, ISO45001, IATF16949 international quality management system certifications, as well as UL safety certifications. Our sales network extends from inland areas to Southeast Asia, Europe, and America. In the fierce market competition, we have always received high praise from customers.
Certificate Of Honour
  • NQA
  • UL Certificate
  • Product Certification
  • Product Certification
News
Double-sided PCB Industry knowledge

Optimizing EMI Reduction and Thermal Distribution in Double-sided PCB Design

Strategies for EMI Reduction and Signal Integrity

In a Double-sided PCB, the limited layer count makes electromagnetic interference (EMI) management a priority. Unlike multilayer boards with dedicated ground planes, a double-sided design requires strategic routing to maintain signal integrity.

  • Loop Area Minimization: Routing signal traces directly above a return path on the opposite layer helps minimize the loop area, which is the primary source of radiated EMI.
  • Orthogonal Routing: To prevent crosstalk, traces on the top layer should run perpendicularly to those on the bottom layer.
  • Ground Pouring (Copper Flood): Filling unused areas with copper and connecting them to the ground (GND) via stitching vias creates a pseudo-shielding effect.

Thermal Distribution and Management

Effective heat dissipation in a Double-sided PCB relies on the intelligent use of copper and substrate selection. Balancing the thermal load prevents localized "hot spots" that can lead to component failure or board warping.

  • Thermal Vias: Placing vias under high-power components facilitates heat transfer from the top layer to the bottom layer, utilizing the surface area of both sides for cooling.
  • Thick Copper Technology: Using thicker copper foils increases the thermal conductivity of the traces themselves.
  • Symmetry in Copper Distribution: Ensuring a balanced copper density between the top and bottom layers prevents the board from bowing or twisting during reflow soldering.

Anhui Hongxin Electronic Technology Co., Ltd., located in the China PCB Industrial Park, Guangde, has been a leader in high-precision PCB manufacturing since 2013. With over 20,000 square meters of production space and a team of professional engineers with 15+ years of experience, we specialize in everything from 1-32 layer boards to high-Tg and metal-based substrates. Our expertise ensures that even complex double-sided designs are optimized for both thermal and electrical performance.

Parameter Comparison: Standard vs. Optimized Double-sided PCB Design

The following table illustrates the technical differences between basic designs and high-performance boards optimized by professional engineering teams:

Technical Parameter Standard Double-sided PCB Optimized Design (Hongxin Standards) Impact on Performance
Base Material Tg Standard FR-4 (130°C) High-Tg FR-4 (>170°C) Better stability at high temperatures
Copper Thickness 0.5oz - 1.0oz 2.0oz - 6.0oz (Thick Copper) Higher current capacity and heat dissipation
Min. Trace Width/Spacing 6 / 6 mil Down to 3 / 3 mil (High Precision) Enables denser, complex circuitry
Via Connection Standard PTH Buried Via / Thermal Via Arrays Enhanced vertical heat and signal transfer
Prototyping Lead Time 3-5 Days As fast as 24 Hours Accelerated R&D cycles

Frequently Asked Questions (FAQ)

Q1: How does Anhui Hongxin Electronic Technology Co., Ltd. ensure the quality of high-precision double-sided boards?

Quality is at the core of Anhui Hongxin Electronic Technology Co., Ltd. Our production processes have passed international certifications including ISO9001, IATF16949 (Automotive Quality), and UL safety certifications. Every board, whether a rapid prototype or a bulk order, undergoes rigorous testing to ensure it meets our high-precision standards, giving our global customers in Southeast Asia, Europe, and America total peace of mind.

Q2: What options are available for specialized double-sided applications, such as high-power or high-frequency devices?

Anhui Hongxin Electronic Technology Co., Ltd. offers a wide range of substrate materials including high-frequency boards, metal substrates (for extreme cooling), and halogen-free boards. Our engineers, boasting over 15 years of industry experience, can assist in selecting the right dielectric and copper weight to ensure your double-sided board survives fierce market competition and technical demands.

Q3: How fast can Anhui Hongxin Electronic Technology Co., Ltd. deliver double-sided prototypes and bulk orders?

We pride ourselves on our rapid response capabilities. Anhui Hongxin Electronic Technology Co., Ltd. can deliver double-sided PCB prototyping as quickly as 24 hours. For bulk orders, we maintain a highly efficient 6-7 day delivery window for single- and double-sided boards. This speed, combined with our 20,000 sqm facility and 110 dedicated staff members, allows us to handle both large-scale production and small-batch rapid prototyping with ease.

X Facebook
Products News