PCB Showcase

A selection of PCB and PCBA projects manufactured by Linked Electronics Co., Limited

PCB & PCBA SHOWCASE

Built for Engineers, Trusted Globally

From simple double-sided FR4 boards to advanced 3rd order HDI, from prototype PCBA to volume production — Linked Electronics Co., Limited has manufactured PCBs and assemblies for hardware teams across consumer electronics, industrial control, medical devices, automotive, and IoT applications.

With projects shown below, this selection highlights recent work. Specific customer and product details are kept confidential under NDA.

Linked Electronics Co., Limited PCB product collection — FR4, aluminum, flexible, and multilayer boards manufactured in China

Mixed PCB Types

Boards: FR4, Aluminum MCPCB, Flexible PCB
Solder Mask: Green, Yellow, Blue, Red, White
Layer Range: 2L – Multilayer
Surface Finish: HASL, ENIG
Applications: Industrial, LED, GPS, Consumer

Linked Electronics Co., Limited custom PCB samples — purple, yellow, black, red solder mask with custom shapes manufactured in China

Custom Color & Shape PCBs

Solder Mask: Purple, Yellow, Black, Red, White, Green
Surface Finish: ENIG, HASL
Special: Custom Shapes & Die-Cut Profiles
Layer Range: 2L – 6L
Applications: Gaming, RF Modules, Prototypes

Linked Electronics Co., Limited medical IoT PCBA with LoRa wireless module, USB-C interface, and mixed SMT THT assembly manufactured in China

Medical IoT PCBA

Wireless: LoRa RF Communication
Interface: USB Type-C
Assembly: SMT + THT Mixed
Components: 0402 SMT, Custom Module
Application: Medical IoT (NDA)

Linked Electronics Co., Limited multilayer high-density PCB with multiple BGA pads and gold finger edge connectors manufactured in China

Multilayer High-Density PCB

Layers: 8L – 12L
Surface Finish: ENIG + Gold Finger
Special: Multiple BGA Pads
Trace/Space: 4/4 mil or finer
Application: Industrial / Server / Communication

Linked Electronics Co., Limited 2nd order HDI PCB with laser-drilled stacked microvias and ENIG finish for industrial applications manufactured in China

2nd Order HDI PCB

HDI Type: 2nd Order (2+N+2)
Layers: 8L – 10L
Surface Finish: ENIG
Microvias: Laser-Drilled, Stacked
Application: Industrial Control (NDA)

Linked Electronics Co., Limited panelized PCBA in 15-up array format with matte black solder mask for volume production manufactured in China

Panelized Volume PCBA

Configuration: 15-Up Panel Array
Solder Mask: Matte Black
Assembly: SMT, Mixed Components
Special: Custom Profile, V-Cut Depaneling
Application: OEM Mass Production (NDA)

Linked Electronics Co., Limited double-sided FR4 PCB with HASL finish and green solder mask for industrial and general electronics manufactured in China

Double-Sided FR4 PCB

Layers: 2L Double-Sided
Material: FR4 Standard Tg
Surface Finish: HASL
Solder Mask: Green
Application: Industrial Control

Linked Electronics Co., Limited through-hole PCBA with screw terminals and mixed THT SMT assembly for industrial control manufactured in China

Through-Hole Mixed Assembly

Assembly: THT + SMT Mixed
Components: Screw Terminals, Capacitors, Switches
Solder Mask: Matte Black
Soldering: Wave + Selective Soldering
Application: Industrial Control / Power

Linked Electronics Co., Limited signal processing PCBA with SMA RF connectors, potentiometers, and high-voltage capacitors manufactured in China

Signal Processing PCBA

Assembly: SMT + THT Mixed
Components: SMA Connectors, Potentiometers
Special: Mixed Signal Layout
Solder Mask: Blue
Application: Audio / RF Equipment (NDA)

Linked Electronics Co., Limited 20oz double-sided heavy copper PCB — 25mm thick board with ENIG gold-plated high-current pads, in-house laminated for new energy power applications, manufactured in China

20oz Heavy Copper Power PCB

Layers: 2L Double-Sided
Copper Weight: 20 oz Heavy Copper
Board Thickness: 25 mm
Surface Finish: ENIG
Application: New Energy Power

Linked Electronics Co., Limited 8oz double-sided heavy copper PCB — green solder mask with embedded copper blocks and gold-plated high-current terminals for power applications, manufactured in China

8oz Embedded Copper PCB

Layers: 2L Double-Sided
Copper Weight: 8 oz Heavy Copper
Special: Embedded Copper Blocks & Terminals
Surface Finish: ENIG
Application: High-Current Power

Linked Electronics Co., Limited 6-layer rigid-flex PCB — green rigid sections joined by polyimide flexible circuit with multiple BGA pad arrays and ENIG finish, manufactured in China

6-Layer Rigid-Flex PCB

Layers: 6L Rigid-Flex
Structure: Rigid + Polyimide Flex
Features: Multiple BGA Pad Arrays
Surface Finish: ENIG
Application: Compact Electronics

Linked Electronics Co., Limited 12oz double-sided heavy copper PCB with embedded copper coin and gold-plated high-current terminals on blue solder mask for EV charging station power applications, manufactured in China

12oz Copper Coin EV Charger PCB

Layers: 2L Double-Sided
Copper Weight: 12 oz Heavy Copper
Special: Embedded Copper Coin
Surface Finish: ENIG
Application: EV Charging Station

Linked Electronics Co., Limited 12-layer multilayer PCB with multiple BGA pad arrays, dense SMT routing, and ENIG finish on green solder mask for control and communication applications, manufactured in China

12-Layer Multilayer Control Board

Layers: 12L Multilayer
Copper Weight: 1 oz Inner & Outer
Features: Multiple BGA & Dense SMT
Surface Finish: ENIG
Application: Control & Communication

Linked Electronics Co., Limited 8oz heavy copper PCB in 10-up production panel with large gold-plated copper pours and ENIG finish on green solder mask for power module applications, manufactured in China

8oz Heavy Copper Power Module

Layers: 2L Double-Sided
Copper Weight: 8 oz Heavy Copper
Features: Large Copper Pour, 10-Up Panel
Surface Finish: ENIG
Application: Power Module

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