Double-sided TP440 PCB on 0.5mm Substrate with Immersion Gold

This is a custom 2-layer rigid high-frequency PCB built with Wangling TP440 thermoplastic dielectric material, engineered for high-stability radio frequency and miniature antenna applications. It adopts immersion gold surface finish with no solder mask and silkscreen on both sides.

PCB Specification

PCB Layer Stack-up Structure

Artwork & Quality Standards

Artwork Format: Adopts standard Gerber RS-274-X format, the universal industry standard for PCB manufacturing.

Quality Compliance Standard: Fully compliant with IPC-Class-2 industrial reliability standard, the mainstream specification for commercial and industrial electronic products.

Supply Availability: Supports global delivery and professional technical after-sales service worldwide. With standardized production processes and complete quality inspection systems, it can stably deliver qualified TP440 high-frequency PCB products to customers in various regions.

Wangling TP440 Material Overview

Wangling TP series is an industry-exclusive high-frequency thermoplastic dielectric material. Different from traditional FR4 and conventional high-frequency substrates, TP-type laminates adopt a composite structure of ceramic powder and Polyphenylene Oxide (PPO) resin, with no fiberglass reinforcement inside the dielectric layer. The dielectric constant can be precisely and flexibly adjusted by modifying the mixing ratio of ceramic filler and PPO resin. With specialized production technology, this material delivers outstanding high-frequency dielectric performance and long-term working reliability.

Material grading definition: TP refers to non-copper-clad smooth dielectric substrate; TP-1 represents single-sided copper-clad material; TP-2 represents double-sided copper-clad material. The substrate used in this PCB is double-sided copper-clad TP440 material, which is a mature and mainstream model of Wangling TP series high-frequency substrates.

Core Material Performance Features

Tunable & Stable Dielectric Performance

TP440 features adjustable DK (3.0–25) with optional standard values. It has ultra-low, frequency-stable dielectric loss with minimal variation under 10GHz, suitable for high-frequency microwave circuits.

Wide Temperature Resistance

It ensures stable long-term operation at -100°C to +150°C with superior low-temperature resistance. Over 180°C, it may deform, suffer copper peeling and electrical performance degradation.

Flexible Customization & Superior Machinability

The material supports customized thickness starting from 0.5mm. It provides better copper adhesion than ceramic substrates and enables diverse machining processes including drilling, grinding and etching.

Excellent Environmental Adaptability

It features outstanding radiation resistance and low outgassing, delivering stable performance for harsh and high-reliability scenarios such as aerospace and weapon systems.

Typical Application Scenarios

Benefiting from stable high-frequency performance, ultra-wide temperature adaptability, miniaturization compatibility and excellent machinability, this TP440 PCB is widely applicable to high-precision miniature antenna and special radio frequency signal transmission fields, including:

-GPS antenna systems

-Beidou navigation antenna equipment

-Missile-borne microwave signal modules

-Fuze precision induction circuits

-Various miniaturized high-frequency antennas