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Meet Growing Thermal Challenges in Mobile Devices

GORE Thermal Insulation increases design flexibility and the ability to direct heat through greater control of z-axis thermal conductivity. Improved z-axis control means superior spreading options that enable components to: 

  • perform at higher levels for longer periods
  • accommodate shrinking form factors
  • meet surface temperature requirements
Features & Benefits
Applications
Performance/Design
Why Gore
Effective Thermal Management with Enhanced Thermal Spreading

Our insulating laminates for electronics have a through-plane thermal conductivity (kz) significantly lower than that of air. Enabled by premium aerogel technology, GORE Thermal Insulation will enhance the heat-spreading ratio and outperform system-level air gaps. 

It can be used independently or in conjunction with heat spreaders to create a higher-performing thermal design.

Electrically Insulative

  • Provides a physical barrier between device components
  • Does not create electrical short circuits
  • Has minimal interference with EM/RF interference
  • Enables superior thermal conductivity of electrical insulator: outperforms all others tested*

Ease of Integration

  • Can be combined with graphite or heat pipes to optimize performance
  • Easy to install with six thickness options and ability to customize shape
  • Conformable thermal and electrical insulator fits into tight, non-flat spaces

Development Support

  • Gore engineers are available to support you with design guidance, modeling and integration from early design cycle through commercialization

* Data available upon request

GORE Thermal Insulation Can Be Used in All Kinds of Mobile Devices


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Multiple electronic devices on a table.

Many powered components are generating more heat in smaller spaces. More heat generation requires advanced thermal solutions to spread heat more evenly across the device surface and reduce hot spots.

GORE Thermal Insulation for Mobile Devices offers superior heat spreading across devices such as:

  • Tablets
  • Wearables
  • AR/VR Devices
  • Smartphones
  • Laptops
     
Improve Your Existing Solution with GORE Thermal Insulation

Incorporating this innovative heat spreading solution not only enhances the thermal management of your device, but also opens up new opportunities for your company to achieve peak performance and design excellence.

Increase Performance

Reduce Hotspot Temperature

Thinner Product Design

With a kz lower than air, thinner GORE Thermal Insulation can replace the air gap, allowing for more graphite to be included

Delay throttling of performance by moving heat away from the heat source and blocking heat from the device surface

Enable components to operate at higher power for longer time

Reduce surface temperatures by 1– 6 °C (depending upon system power and insulation thickness)

Enable thinner designs while maintaining performance by replacing an air gap with Gore's thinner, compressible thermal insulation

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Increase Performance with GORE Thermal Insulation
By Your Side from Design to Manufacture

Leading OEMs select Gore because our products and services help develop differentiated and innovative products — with low development risk and a stable supply chain — in a fast-paced, highly competitive market. 

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Global Mobile Suppliers

Decades as a preferred venting partner of global top OEMs in a wide range of applications — from smartphones and smart watches to tablets, earphones, Bluetooth speakers and cameras. 

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Collaborative Approach

From testing and technical support to deep industry expertise, our teams work closely with customers to ensure exceptional performance and lasting value. We take the time to understand your operations, your processes, and your unique challenges to build partnerships rooted in trust and collaboration. 

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Supply Security

Years of experience in the challenging field of mobile electronics have made us experts at supplying high-volume, fast-ramp products with the timing and quality required for success. 
 

 

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Reliable Performance

Every Gore product must meet the highest standards of quality, performance and reliability. Through a deep understanding of end-use applications and demands, our products deliver what we promise. 

GORE® Thermal Insulation: How it works to protect

The Effect Insulation Has on Heat Transfer

This video demonstrates the effect insulation has on heat transfer. Watch how rapidly heat melts a crayon with and without GORE® Thermal Insulation.

GORE® Thermal Insulation x DELL XPS 13 in CES 2018

GORE Thermal Insulation x DELL XPS 13

DELL uses GORE Thermal Insulation to improve performance and slim the design of its laptops.

Technical Information

Material Data*

Characteristic

 

 

 

 

 

 

Insulation thickness availablea

0.10 mm

0.12 mm

0.23 mm

0.28 mm

0.38 mm

0.53 mm

Adhesive encapsulation width (minimum)b

1 mm

1 mm

1 mm

1 mm

1 mm

1.5 mm

Thermal conductivity (k)c

0.021 W/m•K

 

0.020 W/m•K

 

 

 

Compression @ 100 kPa (14.5 psi)

13%

 

8%

 

 

 

Specific heat capacityd

1.8 J/g °C

 

 

 

 

 

Bulk density

0.37 g/cc

 

 

 

 

 

Operating temperaturee

-40°C to 100 °C

 

 

 

 

 

Protective cover film

Black PET

 

 

 

 

 

Adhesive type

Acrylic

 

 

 

 

 

RoHSf

Meets threshold requirements

 

 

 

 

 

Max part size

100 mm x 200 mm

 

 

 

 

 

a Nominal thickness based on reported values of thickness of each component of the stack-up.
b Nominal minimum width.
c Nominal conductivity value based on a modified version of ASTM C518.
d Nominal heat capacity measured according to ASTM E2716 Method B at 75 °C.
e Alternate adhesives required to exceed 100 °C.
f To the best of our knowledge, the product listed above does not have any restricted substances above the maximum concentration values listed in RoHS Directive 2011/65/EU and meets the substance restrictions of Article 4 of RoHS Recast including Commission Delegated Directive 2015/863.

*All values are based on nominal characteristics and do not represent the specification and tolerance.

Also known as “Anisotropic Ratio,” this ratio characterizes heat dissipation:

Kxy

Kz
kxy - Thermal conductivity in-plane
divided by

kz - Thermal conductivity through-plane

Common heat spreader materials have an intrinsically high anisotropic ratio, which promotes heat to spread and move in-plane.

However, compared to insulators, these materials have a very high Kz , which allows heat to move through-plane and reach device surfaces. To compensate for spreaders' high Kz , thermal engineers often design air gaps (with low Kz) above spreaders.
 

Comparison: Effectiveness of Thermal Spreading with and without GORE Thermal Insulation

GORE Thermal Insulation increases the designer’s ability to direct heat by enabling greater control of z-axis thermal conductivity. More control means superior spreading options and more design flexibility. 

Combining GORE Thermal Insulation with graphite for example — one of many possible configurations — allows for more graphite to be included, as a thinner amount of insulation can be used to provide the same thermal resistance as a thicker air gap. 

Added graphite capacity in the system allows for components to be utilized at higher power outputs, as the additional generated heat can be directed away from the component.

Basic Spreading

Graphite & Air

Side View - Thermal Solution

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Basic Spreading - Graphite & Air - Side View - Thermal Solution

Top View - Hotspot

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Basic Spreading - Graphite & Air - Top View - Hotspot

Enhanced Spreading

Graphite & GORE® Thermal Insulation (GTI)

Side View - Thermal Solution

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Enhanced Spreading - Graphite & GORE® Thermal Insulation (GTI) - Side View - Thermal Solution

Top View - Hotspot

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Enhanced Spreading - Graphite & GORE® Thermal Insulation (GTI) - Top View - Hotspot

Heat spreading effectiveness of a basic thermal design using graphite and air (left) compared to a thermal design using graphite and GORE Thermal Insulation (right). The basic thermal design fails to reduce hot spots because, while the heat is conducted through graphite in the xy-direction, it is also conducted in the z-direction of graphite, resulting in a hot spot. 

Using GORE Thermal Insulation instead of an air gap reduces z-axis conductivity, increases the spreading ratio and reduces hot spots.

GORE Thermal Insulation contains aerogel particles suspended in a PTFE matrix to deliver conductivity lower than that of air. This thermal insulation material for electronics can be used to reduce hot spots by replacing air gaps. It can also be paired with graphite to enhance thermal spreading in-plane without increasing thermal transfer through-plane.

GORE Thermal Insulation is a compressible thermal insulation. With compression levels up to 13% under a 100 kPa load, it can be used for tolerance take-up or to assist with impact resistance. It also has the ability to adhere to curved or stepped surfaces without negatively affecting performance.

GORE Thermal Insulation is a thermal and electrical insulator. With thermal conductivity lower than that of air, this insulation is also an effective electrical insulator, with a volume resistivity > 10^15 ohm-cm.
The typical thermal conductivity of electrical insulators is low, in the range of 0.05 – 0.8 W/m-K 0.03-0.8 W/m·K. However,

GORE Thermal Insulation is far better, with conductivity as low as 0.020 W/m·K, while also delivering good electrical insulation.

Technology Expertise in Thermal Management for Mobile Devices
  • High loading of aerogel to obtain low conductivity
  • Consistent distribution of aerogel enables consistent conductivity
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GORE® Thermal Insulation vs Competitive Insulation

Consistent thickness across a range of thicknesses from 100-530 μm

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Insulation Portfolio Gore vs Competitor

All data points are from finished good parts of Gore and competitor (insulation + adhesives + cover films)

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 Gore Thermal Insulation cross section

 Gore Thermal Insulation cross section


  1. Pull Tab
  2. Protective Film
  3. GORE® Thermal Insulation
  4. Base Adhesive
  5. Base Liner
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Gore Thermal Insulation surface images

Gore Thermal Insulation surface images

Featured Content

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Increased System Performance in Mobile Electronics Using Insulation-Graphite Composite

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FOR INDUSTRIAL USE ONLY 

Not for use in food, drug, cosmetic or medical device manufacturing, processing, or packaging operations.

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