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    AI Overview
    An Introduction to double sided PCB - Ucreate International
    A double-sided IT-180ATC PCB utilizes ITEQ's high-Tg (
    >170∘Cis greater than 170 raised to the composed with power C
    >170∘C
    ), low-CTE, multifunctional epoxy resin with phenolic curing. It is ideal for high-reliability, lead-free applications, offering excellent thermal performance, CAF resistance, and superior through-hole reliability on both sides. It features a
    175∘C175 raised to the composed with power C
    175∘C
     glass transition temperature (DSC) and a 4.4 dielectric constant at 1GHz. 
    Key Properties & Specifications 
    • Material: IT-180ATC (Filled epoxy resin).
    • Thermal Reliability: High
      Tgcap T sub g
      𝑇𝑔
       (
      175∘C175 raised to the composed with power C
      175∘C
       via DSC) and low Z-axis CTE.
    • Lead-free Compatibility: Designed for lead-free assembly processes.
    • CAF Resistance: Excellent Conductive Anodic Filament (CAF) resistance.
    • Copper Weight: Commonly available in 0.5oz (17
      μmmu m
      𝜇𝑚
      ) to 2oz (70
      μmmu m
      𝜇𝑚
      ) or higher.
    • Applications: Suited for automotive, telecommunications, and high-density PCB designs. 
    Double-Sided Construction 
    • Routing: Allows for copper traces on both top and bottom layers, increasing component density and routing efficiency.
    • Manufacturing: Supports plated through-holes (PTH) and is compatible with double-sided SMT assembly, ensuring high-reliability connections. 
    Data Sheet Highlights 
    • Tgcap T sub g
      𝑻𝒈
      :
      >170∘Cis greater than 170 raised to the composed with power C
      >170∘C
       (typical 175°C).
    • Tdcap T sub d
      𝑻𝒅
       (Decomposition):
      ∼340∘Ctilde 340 raised to the composed with power C
      ∼340∘C
      .
    • CTE (
      Zcap Z
      𝒁
      -axis):       Low expansion, supporting thermal stability.
    • Dkcap D sub k
      𝑫𝒌
       (Dielectric Constant):       4.4 @ 1GHz.       
    Common manufacturers and suppliers for this material include !PCBWay and specialised !Bicheng PCB. 
    • High Tg Multi-layer Printed Circuit Board (PCB) on IT-180ATC ...
      Designation: IT-180ATC ; Dielectric constant: 4.4 at 1GHz ; Layer count: Double Layer, Multilayer, Hybrid PCB ; Copper weight: 0.5...
      m.circuitboardpcbs.com
    • IT-180ATC
      REV 2.0-20. IT-180ATC. High Tg / Lead Free / High Reliability Laminate & Prepreg. ○ Excellent CAF resistance. ○ Good through-hole ...
      Millennium Circuits Limited
    • High Tg Multi-layer PCB on IT-180ATC and IT-180GNBS Lead ...
      IT-180ATC is an advanced high Tg (175℃ by DSC) multifunctional filled epoxy with high thermal reliability and CAF resistance. Item...
      Bicheng PCB
    Show all
    • IT-180ATC 1.6mm 4-layer High Tg Multi-layer Rigid Blind Via FR- ...
      * Overview. The IT-180ATC PCB is an advanced and versatile printed circuit board (PCB) designed to meet the demanding requirements...
      Bicheng PCB
    • High Tg Multi-layer Printed Circuit Board (PCB) on IT-180ATC ...
      Designation: IT-180ATC ; Dielectric constant: 4.4 at 1GHz ; Layer count: Double Layer, Multilayer, Hybrid PCB ; Copper weight: 0.5...
      m.circuitboardpcbs.com
    • IT-180ATC
      REV 2.0-20. IT-180ATC. High Tg / Lead Free / High Reliability Laminate & Prepreg. ○ Excellent CAF resistance. ○ Good through-hole ...
      Millennium Circuits Limited
    • High Tg Multi-layer PCB on IT-180ATC and IT-180GNBS Lead ...
      IT-180ATC is an advanced high Tg (175℃ by DSC) multifunctional filled epoxy with high thermal reliability and CAF resistance. Item...
      Bicheng PCB
    • Double Sided PCB Design - Altium Resources
      Aug 22, 2025 — Double-sided PCBs have copper traces on both the top and bottom layers, allowing more room for routing and supporting more complex...
      Altium
    • IT-180ABS/IT-180ATC - PCBWay
      IT-180A is an advanced high Tg (175℃ by DSC) multifunctional filled epoxy with low CTE, high thermal reliability and CAF resistanc...
      PCBWay
    • IT-180ABS & IT-180ATC Laminates – High-Performance Materials ...
      Sep 17, 2025 — IT-180ABS and IT-180ATC Laminates – High-Performance Materials for Advanced Multilayer PCBs. ... IT-180ABS and IT-180ATC are speci...
      KKPCB
    • How does double-sided SMT assembly work? - PCBgogo
      This is the most widely used modern method for assembling double-sided PCBs. It is almost similar to the general SMT assembly proc...
      PCB GoGo
    • The Pros and Cons of Using Double Sided PCBs in Circuit Design
      Aug 15, 2023 — Pros of Using Double Sided PCBs Specifically, key advantages include: Increased component density – More surface area allows fitti...
      JHYPCB
    • layer IT - 180ATC Rigid PCB: High Tg 175℃, Lead - Free ...
      Introduction. The IT-180ATC is a cutting-edge multifunctional filled epoxy featuring a high glass transition temperature of 175°C ...
      Quora·Vicky 's PCB Space
    • HDI PCB 10-layer Tg180 FR-4 ITEQ IT-180A 1.6mm High TG Circuit ...
      Key Features of IT-180 * High Tg (DSC) of 175°C for enhanced thermal performance. * Dielectric constant of 4.4 @ 10GHz, ensuring e...
      Bicheng PCB
    • PCB Global | Prototype Quick Turn High Technology Printed Circuit Boards
      The ITEQ IT-180ABS/IT-180ATC is a multifunctional epoxy resin with a high Tg and low CTE. It has the following features: * **High ...
      PCB Global
    • High Tg Lead Free Printed Circuit Board (PCB) on IT-180ATC and IT ...
      Good Quality High Tg Lead Free Printed Circuit Board (PCB) on IT-180ATC and IT-180GNBS with 0.5oz-3oz Copper 0.5-3.2mm Thick From ...
      www.circuitboardpcbs.com
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    Web results

    High Tg Printed Circuit Board Made on IT-180ATC with ...


    Bicheng PCB
    https://www.bichengpcb.com › high-tg-printed-circuit-b...
    Bicheng PCB
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    This is a type of standard double sided high temperature PCB which is built on ITEQ's IT-180ATC laminate. Item NO.: BIC-507-v83.0. Order(MOQ):. 1-10. Payment ...Read more

    IT-180ABS/IT-180ATC


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    Millennium Circuits Limited
    https://www.mclpcb.com › uploads › 2021/05
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    ○ For automotive, high layer PCB, networking, and heavy copper applications. Laminate properties. Items. IPC TM-650. Typical Value. Unit. Peel Strength, minimum.Read more
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    IT-180ABS/IT-180ATC


    PCBWay
    https://www.pcbway.com › product › PCB-material
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    pcbexpress.eu
    https://www.pcbexpress.eu › assets › documents
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    Jan 1, 2026 — (1) Shelf life is at least 3 months when prepregs stored in a cool dry environment (Temperature: <20 ℃ and Humidity: <50%). (2) Prepreg exposed ...Read more
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    High Tg Multi-layer PCB on IT-180ATC and IT-180GNBS ...


    Bicheng PCB
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    IT-180ATC is an advanced high Tg (175℃ by DSC) multifunctional filled epoxy with high thermal reliability and CAF resistance. Item NO.: BIC-506-v82.0. Order(MOQ):.Read more
    Missing: Sided ‎| Show results with: Sided

    High TG PCB Substrate Material: ITEQ IT-180ATC


    Jarnistech
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    layer IT - 180ATC Rigid PCB: High Tg 175℃, Lead - Free ...


    Quora
    https://vickyspcbspace.quora.com › Unleash-Superior-P...
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    People also ask
    Can a PCB be double-sided?
    Double-sided PCBs have copper traces on both the top and bottom layers, allowing more room for routing and supporting more complex circuits than single-sided designs. They are commonly used in devices like power supplies, small embedded systems, and lower-frequency RF applications.Aug 22, 2025

    Double Sided PCB Design - Altium Resources


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    What are the advantages of double sided PCB?
    Pros of Using Double Sided PCBs

    Specifically, key advantages include: Increased component density – More surface area allows fitting more chips, passives, connectors, etc., to shrink the overall size. Improved trace routing – Crossover traces and via holes enable optimized layouts and cleaner routing between pads.    Aug 15, 2023

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    What is the difference between single sided and double sided PCB?
    Single-sided PCB traces are present on only one side, while double-sided PCBs have traces on both sides with top and bottom layers. The components and conductive copper are mounted on both sides of a double-sided PCB, and this leads to the intersection or overlap of the trace.Jun 14, 2022

    Comparing Single-Sided PCBs vs. Double-Sided PCBs


    Cadence PCB Design & Analysis
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    How does double-sided PCB assembly work?
    This is the most widely used modern method for assembling double-sided PCBs. It is almost similar to the general SMT assembly process, but only a few steps will be added. Two sides of the PCB apply solder paste + component placement + reflow soldering, ensuring high precision and reliability.

    How does double-sided SMT assembly work? - PCBgogo


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    Web results

    Material


    PCB Global
    https://www.pcbglobal.com › pcb-material
    PCB Global
    https://www.pcbglobal.com › pcb-material
    ITEQ IT-180ABS/IT-180ATC. High-Tg & Low CTE (Tg>170°C), Multifunctional Epoxy Resin, Phenolic-Curing, Lead-free process Compatible. Download the Specs. ‹ 1; 2 ...Read more
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