Thermal Interface
Solutions
Laird designs and manufactures customized, performance-critical products for
wireless and other advanced electronics applications.
About Laird
Laird is a global technology business focused on enabling wireless communication and smart systems, providing
components and systems that protect electronics. Laird operates through three divisions, Connected Vehicle
Solutions, Wireless and Thermal Systems, and Performance Materials. Laird's Connected Vehicle Solutions includes
Telematics products, antenna solutions, smart antennas and devices for transportation markets. Wireless and
Thermal Systems solutions include antenna systems, embedded wireless modules, wireless automation and control
solutions and engineered thermal systems. Performance Materials solutions include electromagnetic interference
shielding, thermal management, and signal integrity products. As a leader in the design, supply and support of
innovative technology, our products allow people, organizations, machines and applications to connect effectively,
helping to build a world where smart technology transforms the way of life. Custom products are supplied to major
sectors of the electronics industry including the handset, telecommunications, IT, automotive, public safety, consumer,
medical, rail, mining, and industrial markets. Providing value and differentiation to our customers though innovation,
reliable fulfilment, and speed, Laird PLC is listed and headquartered in London, and employs over 9,000 people in
more than 58 facilities located in 18 countries.
Thermal Interface Solutions
As an industry leader in high-performance, cost-effective Thermal Interface Materials (TIMs) and technologies,
Laird designs and manufactures thermal products; including gap fillers and putties, phase change materials,
thermal grease, and thermally-conductive insulator materials that meet the demands of any application.
Meeting Ever-Increasing Thermal Demands
Today’s electronics are smaller and more powerful than ever before, leading to ever increasing thermal challenges
for the systems designer. While fans, heat sinks, and even liquid cooling and thermoelectric devices can be used to
provide enough cooling power, the problem remains transferring the heat from the hot components into the cooling
hardware. TIMs are designed to fill in air gaps and microscopic irregularities, resulting in dramatically lower thermal
resistance and thus better cooling. Laird is the world leader in material development for TIMs and offers the broadest
line of products to meet every design challenge. With gap filler pads, dispensable gap fillers, electrically insulating
and electrically conductive pads, Laird’s thermal interface products can solve any TIM design challenge. In addition,
Laird provides phase change TIMs that soften and fill tiny gaps at operating temperature, as well as thermally
conductive greases that conform to any surface irregularity. Laird’s thermal interface materials offer operating
temperatures up to 200°C, thermal conductivities over 8 W/mK in the Z axis, and tremendous flexibility in form factor
and packaging to support any manufacturing scenario.
Thermal Interface Materials
Gap Fillers
(Tflex
TM
, Tpli
TM
, Tputty
TM
)
Laird gap fillers are used to bridge the interface between hot
components and a chassis or heat sink assembly to increase the
overall heat transfer from the system. The unique combination of
thermal conductivity and softness reduces mechanical stress while
maintaining thermal performance. Laird’s extensive gap filler product
lines includes a wide range of performance capabilities, including ultra-
thin gap fillers, a high deflection series, and materials that provide
electrical isolation.
10.0
100
80
60
40
20
0
APPLICATIONS
•
•
•
•
•
8.0
6.0
4.0
2.0
0.0
Telecom – wireless infrastructure, routers, and
VOIP phones
IT – notebooks, servers, memory modules, hard disk
drives, solid state drives, scanners, and printers
Consumer – gaming systems, LCD PDP televisions,
and displays
Industrial – LED lighting, power supplies, lighting
ballasts, controllers, scanners, and power converters
Aerospace and military – power supplies, microwave
radio, and controllers
Thermal Conductivity (W/mK)
Hardness (Shore 00)
Dispensable Gap Fillers
(Tflex
TM
and Tputty
TM
)
Laird dispensable gap fillers are used to bridge the interface
between hot components and a chassis or heat sink assembly when
elimination of mechanical stress or bulk automated dispensing are
critical design considerations. These materials can be dispensed to
fill large and uneven gaps in assemblies and due to their super
compliant nature; little to no pressure is transferred between
interfaces. Laird’s dispensing product portfolio includes both one
and two-part materials, as well as products specifically designed for
vertical stability and consistent dispensing.
APPLICATIONS
•
•
•
•
•
Telecom – wireless infrastructure, routers, and VOIP phones
IT – notebooks, servers, memory modules, hard disk drives,
solid state drives, scanners, and printers
Consumer – gaming systems, LCD PDP televisions,
and displays
Industrial – LED lighting, power supplies, lighting ballasts,
controllers, scanners, and power converters
Aerospace and military – power supplies, microwave
radio, and controllers
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
Tflex CR200 Tputty 403 Tputty 508 Tputty 607
Thermal Conductivity (W/mK)
3
High-Performance Products
(Tpcm
TM
and Tgrease
TM
)
High-performance products are used in applications where mechanical
tolerances and general design has been optimized for thermal
performance.
The Tpcm phase change product line is used in applications where
reliability, repeatability, and handling must be controlled to optimize the
performance as part of the total thermal solution. The Tpcm product line
is available in a screen printable formulation that offers the reliability
and performance of a phase change material with the low-cost handling
of thermal grease.
Tgrease is used in applications where a minimum bond line,constant
pressure, and ease of screen printing are desired for optimal
performance. Laird’s high-performance Tgrease products are
designed to maximize reliability by eliminating pump out in most
applications.
APPLICATIONS
•
•
•
•
IT – servers, desktops, notebooks, and memory modules
Industrial – power supplies, lighting, LED lighting, and
industrial electronics
Telecom – routers and wireless infrastructure
Consumer – gaming systems and portable devices
Electrical Insulators (Tgard
TM
)
Tgard thermally conductive electrical insulators are used where
electrical isolation is a critical design consideration, along with
reliability, cut-through resistance, and thermal conductivity. The
Tgard product line has a wide variety of materials for the unique
performance, handling, and assembly considerations required in
electronics devices.
APPLICATIONS
•
Switching mode power supplies for:
•
Power semiconductors
•
Consumer electronics
•
Audio and video components
•
Automotive control units
•
Power conversion equipment
•
Computers
Industrial
Instrumentation
Medical
•
•
•
•
•
Electrical power generators
UPS Unit
3
| THERMAL INTERFACE SOLUTIONS
3
| THERMAL INTERFACE SOLUTIONS
4
| THERMAL INTERFACE SOLUTIONS
Thermally Conductive Printed
Circuit Board
(Tlam
TM
and Tpreg
TM
)
Tlam thermally conductive circuit boards are designed with Laird’s
unique dielectric materials 1KA and HTD. Tlam technology improves
thermal performance while retaining good dielectric isolation.
The 1KA material offers high thermal conductivity for applications
where a thick dielectric is required. The 1KA material is available as a
freestanding Tpreg to facilitate multilayer and FR4 hybrid circuit boards.
The HTD material is used where high withstand voltage
(>5000 V DC) and continuous use temperature of 150°C are
required.
APPLICATIONS
•
•
•
LED lighting – architectural lighting and street/highway/
parking/signal lighting
Telecom – DC/DC convertors and base stations
Automotive – motor control systems, power steering
modules, ABS braking systems, headlights, brake lights,
and daytime running lights
Consumer – LCD LED backlighting units
Industrial – solar voltaic, industrial voltage regulators,
and power supplies
•
•
Graphite Materials (Tgon
TM
)
Tgon 800 is a high-performance, cost-effective TIM that can be
used where electrical isolation is not required. Tgon 800’s unique
grain oriented graphite plate structure provides 5 W/mK through the
Z axis.
Tgon 9000 is ultra-thin, light-weight, flexible and offers excellent in-
plane thermal conductivity. Ideal for a variety of heat spreading
applications where in-plane thermal conductivity dominates and
limited space.
APPLICATIONS
•
•
•
•
•
•
•
•
Handheld devices
Mobile computing
Display
Lighting
Power conversion equipment
Power supplies
Large telecommunications switching hardware
Where electrical grounding is required with good
thermal conductivity
5
Analog electronics
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