Electrically conductive adhesive from Henkel designed to accommodate compact camera module complexity
PR98556
SINGAPORE, Oct. 31, 2022 /PRNewswire=KYODO JBN/ --
Novel formulation for grounding applications provides room-temperature moisture
cure capability to protect heat-sensitive substrates while improving yield and
enhancing reliability
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 @<5/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.
SOURCE: Henkel
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