[PRNewswire] Electrically conductive adhesive from Henkel designed to

accommodate compact camera module complexity

-- Novel formulation for grounding applications provides room-temperature moisture cure capability to protect heat-sensitive substrates while improving yield and enhancing reliability

(SINGAPORE, Nov. 10, 2022 PRNewswire=연합뉴스) Henkel continues to lead in consumer electronic material solutions and today announced its latest innovation, an electrically conductive adhesive (ECA) that cures at room temperature, improving yield rates and protecting sensitive structures within mobile device compact camera modules (CCMs). Designed to deliver robust electrical grounding performance, Loctite Ablestik ICP 2120 is a moisture cure ECA, which is a critical feature for safeguarding the thin, miniaturized substrates within mobile device camera components.

"Loctite Ablestik ICP 2120 demonstrates the power of Henkel's broad technology toolbox," comments Electronics Product Development Director Toshiki Natori, noting the formulation expertise required to deliver on multiple metrics. "Many ECA materials are solvent cure adhesives that require high temperature to fully cure. Loctite Ablestik ICP 2120 uses a unique chemistry platform, creatively engineered through Henkel's scientific know-how, to satisfy demanding mass production and performance requirements."

In addition to its core electrical advantages, Loctite Ablestik ICP 2120's distinctive chemistry provides a low modulus (900 MPa @ 25°C) to ensure better drop performance, as well as a curing profile for fast room- or low-temperature (50°C for 30 mins.) cure to enable high volume processing, substrate protection and reduced energy consumption. Excessive heating of smaller, thinner, more complex CCM substrates can cause them to warp or shrink, impacting optical performance and decreasing yield, so limiting high-temperature exposure is essential.

Importantly, as Loctite Ablestik ICP 2120 is designed for electrical grounding, its electrical properties have been optimized for excellent performance. The material has low direct contact resistance (DCR @<5Ω/piece) as demonstrated on customer modules, and low volume resistance to ensure thorough removal of electrostatic discharge from the substrate for robust operation. In addition, with CCM functionality expanding while footprints remain comparatively small, heat generation may also be a concern. Loctite Ablestik ICP 2120, which has a high thermal conductivity of 7.0 W/m-K, helps dissipate operational heat to improve performance and reliability.

While initially developed for CCM multi-camera applications, Loctite Ablestik ICP 2120's characteristics may also be beneficial for other ECA applications, such as OLED display grounding or device-level EMI shielding, for example. As Natori-San says in summary, "The attributes of this ECA are quite distinct, allowing excellent electrical performance while protecting the delicate nature of many heat-sensitive miniaturized components and ensuring compatibility with high-volume production environments. This is a rare combination of properties and a notable advantage for mobile device designers."

For more information, visit www.henkel-adhesives.com/electronics.

About Henkel

Henkel operates globally with a well-balanced and diversified portfolio. The company holds leading positions with its three business units in both industrial and consumer businesses thanks to strong brands, innovations and technologies. Henkel Adhesive Technologies is the global leader in the adhesives market - across all industry segments worldwide. In its Laundry & Home Care and Beauty Care businesses, Henkel holds leading positions in many markets and categories around the world. Founded in 1876, Henkel looks back on more than 140 years of success. In 2021, Henkel reported sales of more than 20 billion euros and adjusted operating profit of about 2.7 billion euros. Henkel employs about 53,000 people globally - a passionate and highly diverse team, united by a strong company culture, a common purpose to create sustainable value, and shared values. As a recognized leader in sustainability, Henkel holds top positions in many international indices and rankings. Henkel's preferred shares are listed in the German stock index DAX. For more information, please visit www.henkel.com.

(PRNewsfoto/Henkel Adhesive Electronics)

Source: Henkel

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