TU-768: Unleashing the Potential of High-Tg and High Thermal
Reliability Laminate
Welcome to the world of TU-768, an exceptional high-Tg and high
thermal reliability laminate offered by Taiwan Union. Engineered to
meet the exacting demands of cutting-edge electronic applications,
TU-768, along with its matching prepreg TU-768P, delivers unrivaled
performance in terms of thermal stability, chemical resistance, and
reliability. In this comprehensive blog post, we will explore the
remarkable features, benefits, PCB stackup, construction details,
and typical applications of TU-768.
Unveiling the Power of TU-768:
TU-768 and TU-768P laminates/prepregs are crafted using top-grade
woven E-glass coated with an advanced epoxy resin system. This
powerful combination endows the laminates with UV-blocking
characteristics and seamless compatibility with automated optical
inspection (AOI) processes. Let's delve into the exceptional
features and benefits that make TU-768 truly stand out.
Extraordinary Features:
- Dielectric Constant (Dk): TU-768 boasts an impressive Dk of 4.3 at
10GHz, ensuring robust signal transmission and minimal signal loss,
even in high-frequency applications.
- Dissipation Factor: With an incredibly low dissipation factor of
0.0023 at 10GHz, TU-768 maximizes energy efficiency and facilitates
seamless signal propagation, contributing to superior system
performance.
- Coefficient of Thermal Expansion (CTE): TU-768 exhibits a precise
CTE range of 11-15 ppm/°C in both the x-axis and y-axis,
guaranteeing exceptional dimensional stability and mitigating the
risk of thermal stress-induced failures.
- Unmatched Thermal Reliability: TU-768 is purpose-built to withstand
severe thermal cycles and demanding assembly work, offering
unparalleled thermal stability. It features a remarkable Tg (glass
transition temperature) of 180°C, ensuring uncompromising
reliability even under elevated temperature conditions.
- Impressive Chemical and Moisture Resistance: TU-768 showcases
outstanding resistance to chemicals and moisture, safeguarding the
integrity and reliability of the PCB, even in the harshest
environments.
- Seamless Compatibility and Fluorescence: TU-768 is fully compatible
with lead-free processes, making it an excellent choice for
environmentally conscious manufacturing practices. Additionally,
its fluorescence feature enables effortless inspection using
automated optical inspection (AOI) systems.
Unleashing the Benefits:
- Superior Coefficient of Thermal Expansion (CTE): TU-768's CTE is
meticulously matched to that of copper, significantly reducing the
risk of thermal stress and ensuring robust solder joint integrity.
- Effective Anti-CAF Property: TU-768 exhibits exceptional resistance
to Conductive Anodic Filamentation (CAF), enhancing the long-term
reliability of the PCB, particularly in humid environments.
- Unparalleled Chemical and Thermal Resistance: The laminate's
exceptional chemical and thermal resistance properties fortify the
integrity and performance of the PCB, ensuring longevity and
durability.
- Optimal Signal Integrity: With its low dielectric loss and stable
electrical properties, TU-768 upholds excellent signal integrity,
guaranteeing reliable and precise data transmission.
PCB Stackup and Construction Details:
For a 2-layer rigid PCB utilizing TU-768, the recommended stackup
is as follows:
- Copper Layer 1: 35 μm
- TU-768 Core: 0.76 mm
- Copper Layer 2: 35 μm
The construction details encompass vital specifications such as
board dimensions, minimum trace/space, hole size, finished
thickness, copper weight, via plating thickness, surface finish,
silkscreen colors, solder mask colors, and the inclusion of
electrical testing.
Unlocking the Potential: Typical Applications:
- TU-768 finds widespread applications across various industries,
including:
- Consumer Electronics: The laminate's exceptional thermal
reliability and chemical resistance make it a perfect fit for
smartphones, tablets, and other portable electronic devices.
- Server and Workstation: TU-768 ensures reliable performance in
high-heat server and workstation environments, guaranteeing
uninterrupted operation and enhanced system efficiency.
- Automotive: With its outstanding thermal stability and moisture
resistance, TU-768 proves highly suitable for automotive
applications, including electronic control units (ECUs) and
infotainment systems.
TU-768 from Taiwan Union represents the pinnacle of high-Tg and
high thermal reliability laminate, meticulously designed to fulfill
the exacting requirements of advanced electronic applications. Its
exceptional features, benefits, and seamless compatibility make it
an unrivaled choice across diverse industries. By integrating
TU-768 into your PCB designs, you unlock a world of reliable
performance, thermal stability, and lasting functionality.
