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IDTechEx Discusses Next-Generation RDL Materials in Advanced Semiconductor Packaging




BOSTON, Aug. 11, 2023 /PRNewswire/ — With the ever-increasing demand for higher performance and efficiency in electronic devices, the semiconductor industry is constantly pushing the boundaries of packaging technology. In the context of interconnected dies on a package, the system’s performance relies heavily on the signaling that happens within the package. Two key metrics, bandwidth and power efficiency, play a pivotal role in determining the success of these advanced semiconductor packaging solutions. In this article, we will focus on the materials requirement for achieving higher bandwidth, one of the essential factors for improved communication between dies.

Bandwidth is a critical performance metric in advanced semiconductor packaging. It refers to the amount of data that can be transmitted or communicated between the dies on the package. Higher bandwidth allows faster and more efficient communication, enabling devices to process data at incredible speeds. Two primary factors are considered to measure bandwidth: IO/mm and Datarate/IO. IO/mm represents the density of I/O connections available on the die edge, while Datarate/IO refers to the data transfer rate of each I/O terminal measured in bps. By multiplying IO/mm by Datarate/IO, we calculate the bandwidth per millimeter of the die edge, which represents the total data that can be transmitted between dies. In simpler terms, bandwidth density indicates the number of bits transmitted and received between dies per mm (for 2D) or per mm2 (for 3D packaging).

The performance of IO/mm and Datarate/IO heavily relies on the redistribution layer (RDL) within the package. Essential features of the RDL, such as Line/Space (L/S), via, and pad dimensions, play a crucial role in achieving optimal performance and data transmission within the package. The dielectric constant of materials used in the redistribution layer (RDL) directly impacts the datarate/IO. Currently, the finest L/S of RDL can be attained using inorganic dielectrics like SiO2, but the material’s relatively high dielectric constant (Dk=3.9) makes it unsuitable for high-speed communication. Additionally, the process is also challenging and costly. As a result, researchers are actively exploring alternative dielectric materials, particularly organic options, which offer the advantages of lower dielectric constants and reduced costs. When selecting organic dielectric materials, several key parameters must be considered to ensure their suitability for the packaging process. IDTechEx’s “Materials and Processing for Advanced Semiconductor Packaging 2024-2034” report identifies five key parameters crucial for organic dielectrics used in advanced semiconductor packaging.

Dk (Dielectric Constant) and Df (Loss Tangent):

A material’s dielectric constant (Dk) determines its ability to support higher data rates without compromising signal integrity. Materials with low Dk are preferred for advanced semiconductor packaging as they reduce wire capacitance and allow for shorter interconnects between dies. Low-loss characteristics also minimize transmission loss in high-frequency communication devices, further enhancing bandwidth.

Elongation to Failure:

For multi-layer RDL (Redistribution Layer) with a higher copper coverage on each layer, a higher elongation to failure is favorable. This property ensures the material can withstand the stresses and strains associated with the packaging process and device operation without mechanical failure.

CTE (Coefficient of Thermal Expansion):

To ensure package reliability, the dielectric material should have a CTE similar to that of the copper metal layer. However, achieving this is challenging due to the inability to use filler particles that increase the dielectric permittivity of the polymer. SiO2 fillers, commonly used in polymer dielectrics, do not aid in reducing the Dk value as they need to be loaded in high volume. Additionally, the presence of fillers hinders the scaling of microvias, which are essential for advanced packaging technologies.

Young’s Modulus:

For a reliable microvia design with a diameter of less than 5 µm, utilizing a polymer material with a low Young’s modulus is crucial. A low modulus helps minimize the stress exerted on the copper, leading to enhanced overall package reliability.

Moisture Absorption:

Moisture absorption of the polymer material is crucial for long-term system reliability. High moisture absorption can lead to delamination and negatively impact both mechanical and electrical performance.

In conclusion, as technology continues to advance, the demand for even higher bandwidth and power efficiency in advanced semiconductor packaging will persist. Organic dielectrics have garnered significant interest due to their potential in offering low dielectric constant (Dk) characteristics, enhanced defect tolerance, and cost-effectiveness. However, it is crucial to acknowledge that selecting the appropriate material always involves trade-offs. For instance, while low dielectric constant polymers offer advantages, they may come with a higher coefficient of thermal expansion (CTE), which can adversely affect device reliability and packaging architectures. Therefore, it becomes imperative to carefully consider and adhere to the five key features and their requirements to ensure the successful development of advanced semiconductor packaging solutions.

IDTechEx’s “Materials and Processing for Advanced Semiconductor Packaging 2024-2034” report offers a structured approach to understanding advanced semiconductor packaging. The report is divided into four main parts. The first part provides a comprehensive introduction to technologies, development trends, key applications, and the ecosystem of advanced semiconductor packaging. The second part focuses on 2.5D packaging processes, including dielectric materials, RDL fabrication techniques, and material selection for EMC and MUF. The third part delves into the innovative Cu-Cu hybrid bonding technology for 3D die stacking, offering insights into the manufacturing process and material selection. The report also includes a 10-year market forecast for the Organic Dielectric Advanced Semiconductor Packaging Module, providing valuable perspectives on market growth and trends for the coming decade.

To find out more about this IDTechEx report, including downloadable sample pages, please visit

IDTechEx’s market research is differentiated through the primary information gathered, technical depth, and unbiased appraisals. IDTechEx covers a wide range of topics and helps understand the industry’s pain points and unmet needs. For more information, please visit

About IDTechEx

IDTechEx guides your strategic business decisions through its Research, Subscription and Consultancy products, helping you profit from emerging technologies. For more information, contact [email protected] or visit

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Lucy Rogers
Sales and Marketing Administrator
[email protected] +44(0)1223 812300 

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Blockchain Press Releases

Webb Unveils Tangle Network Testnet, Pioneering the Future of Private, Decentralized Applications



NEW YORK, Sept. 29, 2023 /PRNewswire/ — Today, Webb announced the launch of its much-anticipated Tangle Network Testnet, setting the stage for a new era of private and decentralized applications.

About Webb

Led by founder Drew Stone, Webb is the premier cross-chain zero-knowledge messaging layer, committed to revolutionizing blockchain privacy. Backed by industry giants like Polychain, Lemniscap, and Commonwealth Labs, Webb introduces a suite of tools aimed at advancing zero-knowledge (ZK) and multi-party computation (MPC) applications across multiple blockchains.

The Challenge and Our Solution

Blockchain networks today face significant hurdles: limited interoperability, scaling difficulties, centralized control, and privacy concerns. Webb’s Tangle Network, built on the powerful Substrate framework, is designed to tackle these challenges by offering a next-generation blockchain platform.

Why Tangle Network?

Our vision is to make it easier for developers to create secure, private zero-knowledge (ZK) and multi-party computation (MPC)-based decentralized applications. Tangle Network simplifies:

  • Proof Generation: Delegate computational tasks to our validators.
  • Trusted Setups: Tangle Network manages complex ceremonies for you.
  • Secure Signing: Utilize our threshold signing for cross-chain operations.

By removing these barriers, we massively improve the time to launch for ZK and MPC-based decentralized applications.

Noteworthy Features

  • Unparalleled speed, security, and scalability via Substrate.
  • Decentralized control through Distributed Key Generation (DKG).
  • Advanced protocols for zero-knowledge applications.
  • Cross-chain compatibility with IBC and XCM.
  • Easy migration of existing apps through Ethereum Virtual Machine (EVM) support.
  • Smooth, forkless upgrades.

What’s Next?

The Testnet launch kicks off with an in-depth whitepaper, followed by a series of engagement events during the testnet phase. Our mainnet is scheduled for a Q1/Q2 2024 launch, featuring hackathons, workshops, and a targeted grant program to accelerate the adoption of privacy-focused applications.

Testnet Quick Links

Get Involved

  • Developers: Start building on Tangle today. Learn More
  • Validators and Relayers: Help secure and maintain the network. Learn More
  • Join the Community: Follow us on Twitter or join our Discord.

Contact Us
For media inquiries, partnerships, or more information, email us at [email protected] 

Visit our website

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Blockchain Press Releases

ChainUp Celebrates 6th Anniversary, Charting Blockchain Innovations beyond Digital Assets



SINGAPORE, Sept. 29, 2023 /PRNewswire/ — ChainUp, a Singapore-based trailblazer and global leader in the blockchain industry, marked its sixth anniversary celebration with more than 500 business partners at Ce La Vi Singapore. During the celebration, ChainUp Founder and CEO, Sailor Zhong reflected on the journey, “Six years in the blockchain industry showcases our resilience, innovation, and forward-looking approach. As we look to the future, we are committed to shaping a digital asset environment that is reliable, transparent, and unparalleled. ChainUp aims to champion blockchain solutions beyond the applications of digital assets and bridge the gap between digital asset markets and traditional finance (TradFi) to increase effectiveness and market efficiency.”

The DEX Renaissance
As decentralized finance (DeFi) comes into prominence and focused on returning control to users, one of the sectors impacted by DeFi are the exchanges where cryptocurrencies are traded. Data from CoinMarketCap reveals that trading volumes on Decentralized exchanges (DEX) reached $1.2 trillion in 2022, indicating a 340% YoY growth. However, factors such as poor user experience impeded the rate of adoption of DEX. Recognizing this trend, ChainUp has updated its white-labeled DEX solution, incorporating advanced features, strengthening its security, improving its liquidity and aims to provide a decentralized trading experience that is on par with commonly-used centralized exchanges (CEX).

Bridging TradFi and Digital Assets Market
The traditional financial sector has been progressing very cautiously on digital assets. As more institutions lean into RWA tokenization, they unlock unparalleled liquidity in a borderless trading environment. Amidst this evolution, ChainUp’s RWA solutions emerge as an industry pioneer, offering robust tokenization protocols, seamless integration, and enhanced security, bridging the gap between TradFi and the digital future with unmatched finesse.

Minimizing Risk and Maximizing Security
ChainUp’s MPC Wallet revolutionizes crypto security by integrating MPC technology with advanced hardware isolation, ensuring utmost safety and encryption on data. The wallet offers dynamic key-refreshing mechanisms, chain-agnostic compatibility, and eliminates single-point vulnerabilities. With efficient multi-address management and 24/7 expert support, users enjoy full asset control, scalability, and cost-efficiency, all under one roof.

Compliance: The Guiding Principle
Navigating global regulations in the blockchain sector can be complex. ChainUp’s KYT subsidiary, Trustformer, offers peace of mind for enterprises tackling compliance-related challenges.  ChainUp’s advanced solutions in Anti-Money Laundering (AML) and Counter-Terrorist Financing (CFT) show their commitment to a more secure blockchain environment.

For detailed insights into ChainUp’s innovative solutions, please visit:

About ChainUp
Headquartered in Singapore, ChainUp is a global leading end-to-end blockchain technology solutions provider covering infrastructure development and ecosystem support. Built on the mission to empower businesses through blockchain technology, ChainUp’s innovative and all-around compliant solutions include digital asset exchange, KYT, NFT trading, wallet, liquidity, Web3.0 infrastructure, digital asset custody, security token offerings and more. Established in 2017, ChainUp has offices around the world, serving more than 1,000 clients in 30 countries, reaching over 60 million end-users.

CONTACT: Jacelynn Pang, [email protected] 

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Blockchain Press Releases

BingX Collaborates with WunderTrading to Elevate Crypto Automated Trading



SINGAPORE, Sept. 27, 2023 /PRNewswire/ — BingX, a leading global cryptocurrency exchange, is thrilled to announce its integration with WunderTrading, a cutting-edge platform that allows users to trade and invest crypto seamlessly using automated trading bots. This strategic partnership is aimed at enhancing the automated trading experience for BingX users and introducing a new level of convenience and innovation.

WunderTrading is a cloud-based cryptocurrency trading platform that simplifies cryptocurrency trading experience for beginners. Users can easily copy strategies of renowned traders or create their own. The platform offers an advanced trading terminal and automated bots integrated with TradingView, allowing users to manage portfolios efficiently within a single app. WunderTrading stands out by consolidating trading tools, enhancing user experience, and introducing unique features like the Spread-trading Terminal.

The integration of BingX and WunderTrading offers BingX users a significant advantage. With access to TradingView integration and the innovative Spread-trading Terminal, users can automate their trading strategies and diversify their portfolios with minimal risk. The Spread-trading terminal enables BingX users to choose assets for constructing a spread and will execute buy and sell orders simultaneously for the selected pairs. This integration empowers BingX users to create and fine-tune crypto trading bots swiftly, providing a unique opportunity to optimize their trading while minimizing market volatility risks.

Megan Nyvold, Head of Branding at BingX, expressed her excitement about the collaboration, saying, “BingX is always striving to offer our users the most innovative and user-friendly tools to navigate the crypto market with efficiency and greater ease. Our partnership with WunderTrading is a significant step forward. With this integration, we empower our users to trade smarter, diversify their portfolios, and navigate the crypto market with newfound confidence. We’re excited to see our users leverage the power of automated trading through WunderTrading and make the most of this enhanced trading experience.”

As BingX and WunderTrading join forces, users can look forward to an enhanced trading journey filled with innovative tools and features designed to optimize their trading strategies.

About BingX

BingX is a leading crypto exchange that offers spot, derivatives, copy, and grid trading services to over 100 countries and regions worldwide with over 5 million users. BingX continues to connect users with expert traders and the platform in a safe and innovative way. Please visit to learn about BingX.

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