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The Impact of Panasonic R-14T1 Bonding Sheet in PCB Fabrication

The electronics industry uses a wide range of thermally conductive PCB materials. Thermally conductive bonding sheets are frequently used for PCB fabrication. Panasonic bonding sheets are the ideal choice for bonding applications. Soldering is an easy way of installing components to circuit boards.

Heat dissipation is a big concern for engineers. This problem has become a major focus of current electrical components. Therefore, the Panasonic Corporation initiated some thermal management strategies. This corporation developed thermal conductive sheets to solve this problem. Therefore, we will be discussing the Panasonic R-14T1 bonding sheet in this article.

What is the Panasonic R-14T1 Bonding Sheet?

The Panasonic R-14T1 PCB material is a high thermal conductive bonding sheet that aids heat dissipation in PCBs. Also, this material comprises adhesive. Therefore, this sheet is majorly used to bond inner layers in multilayer lamination. Also, this sheet helps to bond flexible PCBs to rigid flex PCBs during rigid-flex PCB fabrications.

In addition, this sheet contributes to the lightweight of PCBs.  Panasonic R-14T1 is a halogen free bonding sheet. Therefore, it is ideal for use in the environment. Also, this sheet features thermal dissipation properties. It is majorly used for fabrication of advanced PCBs. Panasonic R-14T1 PCB Material is widely used in the automotive industry.

Typically, bonding sheets feature adhesives. These adhesives bind the layers of a laminate material in multilayer boards. Thermally conductive bonding sheets are ideal for use in high performance boards. This PCB material offers great advantages. Also, it is a better alternative when soldering isn’t possible. This sheet offers cost and process savings.

In addition, it helps to minimize components’ weight. Panasonic R-14T1 prevents rattling and vibration loosening. This bonding sheet offers great thermal management when used in high frequency boards.

The Properties and Performance of Panasonic R-14T1 PCB material

Panasonic R-14T1 bonding sheet features some properties. These properties contribute to the performance of Panasonic R-14T1. Below are thermal and physical properties of Panasonic R-14T1.

High thermal conductivity

The thermal conductivity of this material is 1.4 W/m/K. Therefore, this bonding sheet material features a high thermal conductivity. This thermal property implies high heat resistance. Generally, thermal conductivity explains heat transfer rate in a material. Also, it is an important property that explains the temperature gradients inside a PCB.

Low glass transition temperature

The glass transition temperature of this material is 148 degrees Celsius. This indicates a low glass transition temperature. This thermal property evaluates the temperature at which this sheet transforms to a rubber-like state.

Low coefficient of thermal expansion

This is a thermal property that explains the rate of expansion at which a material heats up. Panasonic R-14T1 bonding sheet features a very low CTE. The CTE value of this bonding sheet on the x and y axis is within 19 and 21 ppmo/C. The Z-axis CTE is 27 ppmo/C.

High decomposition temperature

The decomposition temperature is another important thermal property of a material. Panasonic R-14T1 features a very high decomposition temperature. Also, the decomposition temperature of this material is 350 degree Celsius.

High tracking resistance

The tracking resistance of this material is ≧600. Therefore, this bonding sheet features a very high tracking resistance.

High flexural strength

This mechanical property measures the ability of this sheet to withstand breakage during bending. Panasonic R-14T1 features a flexural strength of 230 MPa. Therefore, this bonding sheet features a very high flexural strength.

Advantages of Panasonic R-14T1 Bonding Sheet

Asides from great thermal conductivity, there are other advantages offered by Panasonic R-14T1. These include:

High strength performance

The adhesive in this bonding sheet offers high strength performance. Also, this sheet offers great adhesion to various substrate materials. It is a reliable bonding sheet with high bonding strength.

Heat resistance

One of the great benefits of this bonding sheet is its resistance to varying temperatures. Panasonic R-14T1 is resistant to extremely low and extremely high temperatures. Also, it can withstand differential contraction and expansion between different substrate materials.

Chemical and water resistance

Panasonic R-14T1 can resist chemicals and water. This material features great chemical and moisture resistance. Therefore, it functions well in applications exposed to chemicals and moisture. Also, this bonding sheet is ideal for use in high-frequency applications due to this feature.

RoHS compliance

This bonding sheet complies with the specifications and requirements of RoHS. Therefore, Panasonic R-14T1 is safe for use in the environment. Also, this bonding sheet is suitable for PCB fabrication.

Resistance to vibration and thermal shock

Another great advantage of Panasonic R-14T1 is its resistance to vibration and thermal shock. Therefore, this sheet is ideal for applications exposed to vibration and thermal shock. For instance, this sheet is ideal for use in the automotive industry. Such an application area is usually exposed to impact and thermal shock.

High heat dissipation

Heat dissipation is an important benefit offered by this bonding sheet. Panasonic R-14T1 dissipates heat at a very high rate. Therefore, this sheet offers great thermal management when used in PCBs.

Factors to Consider when Choosing Panasonic R-14T1

There are some features you need to put into consideration when choosing a thermally conductive bonding sheet. It isn’t all about the thermal conductivity of a material. You need to consider factors like:

Dimension and size of the substrate material

This is an important factor you need to consider. The size of the substrate material will determine if this sheet is ideal for use.

Curing time of the adhesive

The curing time of the4 adhesive is an important factor. You need to know how quick the adhesive gets cured.

Strength performance

This is another important factor you should consider before choosing Panasonic R-14T1. How strong is the adhesive in this bonding sheet? You need to evaluate the strength performance of the adhesive in the bonding sheet.


Panasonic R-14T1 is an ideal bonding sheet for PCB fabrication. Also, this sheet is widely used in automotive appliances. In addition, Panasonic R-14T1 features great mechanical and thermal properties. This halogen free bonding sheet features RoHS compliance. Also, it offers great benefits like thermal management and high strength performance. Therefore, this bonding sheet is ideal for use in high performance applications.