The Rogers CLTE-MW is a ceramic-filled PTFE composite laminate that is reinforced using woven glass for that extra durability. These features give this laminate enough efficiency to handle 5G plus other wave applications. In addition, it has several features and properties that make it unique and special. But is this laminate worth trying out? And if so, which other features does it bring to the table?
About the Rogers CLTE-MW laminate, what makes them unique?
Rogers CLTE-MW laminates offer PCB assemblers a cost-effective, high-performance material. They bear electrical and physical constraints, making them great for applications with thickness limitations. What’s more, this laminate comes in seven different thickness options. You can choose from a thickness of 3 – 10 mils according to your project’s requirements. With this thickness feature, you get that ideal and perfect signal to ground spacing which is essential for 5G transmission.
The Rogers CLTE-MW laminate has woven glass reinforcement and a fillers loading that is pretty high. These two features help the laminate propagate electromagnet waves efficiently. They also improve the laminate’s durability and stability, making it one of a kind.
Features of the Rogers CLTE-MW laminate
The Rogers CLTE-MW laminates have a pretty low moisture absorption rate of about 0.03%. Due to this feature, you get optimal performance from this laminate over a wide range of application environments.
The Rogers CLTE-MW laminates are also great in terms of thermal conductivity. Their thermal conductivity stands at 0.42 W/mK, which allows heat dissipation to take place aggressively. The laminate also has a higher dielectric strength when you compare it to other laminates. Its dielectric strength hits a whooping 630 V/mil. You can hence ensures that an excellent z-axis insulation exists between the conductor layers.
The Rogers CLTE-MW laminate has a flammability rating of UL94 V-0. You can hence utilize this laminate for commercial applications.
Other features and benefits that make the Rogers CLTE-MW one of a kind
Great dimensional stability
The Rogers CLTE-MW laminate has incredible dimensional stability.
A low Z, X, and Y-axis CTE
The Rogers CLTE-MW laminate has a low Z, X, and Y-axis CTE. Its mechanical performance is hence reliable even when put in an environment that is thermally challenging.
Low loss tangent
The Rogers CLTE-MW laminate has a loss tangent that is pretty low; this reduces circuit losses, improving the PCB’s efficiency.
Applications of the Rogers CLTE-MW laminate
The Rogers CLTE-MW laminate has a couple of applications which include:
- Creating commercial avionics and communication devices
- Aerospace/military applications
- Satellite communication applications
- Building networks that feature microwave feeds
- Creating electronic structures that are phase sensitive
- Generating passive components (baluns, filters, and couplers)
Properties that make up the Rogers CLTE-MW laminate
The Rogers CLTE-MW laminate has some unique properties that make it stand out. These properties include:
When it comes to PCB laminates, electrical properties are a great factor to consider. These properties bring out a component’s ability to conduct electricity.
Rogers CLTE-MW laminates bear the following electrical properties:
When you place the Rogers CLTE-MW laminate under a temperature of 230C, a bandwidth of 10GHz, and an RH of 50%, the dielectric constant hits:
- 2.94 to 3.02 (plus or minus 0.04)
If you switch up the test conditions and replace the 10 GHz bandwidth with a bandwidth within 8 – 40 GHz. And then switch the temperature and RH test conditions with the C-24/23/50 test conditions, you get the following dielectric constant:
- It lies in between the range of 3.03 to 3.10
When you place the Rogers CLTE-MW laminate under a temperature of 230C, a bandwidth of 10GHz, and an RH of 50%, you get the following dissipation factor:
Thermal coefficient of dielectric constant
The thermal coefficient of dielectric constant of the Rogers CLTE-MW laminate is:
- – 35 ppm/0C
In this test, utilize a temperature range of 0 – 100 0C and bandwidth of 10GHz.
The volume resistivity of the Rogers CLTE-MW laminate under the C-96/35/90 test conditions is:
- 1.3 x 107 Mohm-cm
The Rogers CLTE-MW laminate bears the following volume resistivity when you place it under the C-96/35/90 test conditions:
- 2.5 x 104 Mohm
The Rogers CLTE-MW laminate has the following electrical strength under normal conditions:
- 6.30 V/mil
The dielectric breakdown of the Rogers CLTE-MW laminate under the D-48/50 test conditions is:
- 44 kV
Comparative tracking index
Rogers CLTE-MW laminate has the following comparative tracking index under c-40/23/50 test conditions:
- 600V/ PLC o class/volts
Thermal properties of the Rogers CLTE-MW laminate
Thermal properties are also pretty crucial to consider when choosing a laminate for your PCB. You do not want a laminate that melts off quickly when you expose it to heat.
The Rogers CLTE-MW laminate has the following thermal properties:
The decomposition temperature of the Rogers CLTE-MW laminate is as follows:
- When you place the laminate under a temperature of 1050C for 2 hours at a weight loss of 5%, the decomposition temperature hits 5000C.
Coefficient of thermal expansion
The (X/Y) coefficient of thermal expansion of the Rogers CLTE-MW laminate is:
- 8 ppm/0C when you place it under a temperature range of -55 – 2880C
The Z coefficient of thermal expansion of the Rogers CLTE-MW laminate, on the other hand, is:
- 30 ppm/0C with the same test conditions in place
The delamination time of the Rogers CLTE-MW laminate under a temperature of 2880C is:
The thermal conductivity of the Rogers CLTE-MW laminate is:
- 0.42 W/mK
Mechanical properties of the Rogers CLTE-MW laminate
PCBs are sometimes put under a lot of pressure during assembly. You hence require a laminate that is durable under the application of force. Therefore, mechanical features are also crucial properties to consider.
The Rogers CLTE-MW laminate has the following mechanical properties:
Copper peel strength
After the applications of thermal stress, the copper peel strength of the Rogers CLTE-MW laminate hits:
- 1.1 N/mm
The Rogers CLTE-MW laminate has the following flexure strength:
- 113 MPa
To carry out this test, place the laminate under a temperature of 250C +/- 30C.
The Rogers CLTE-MW laminate has the following dimensional stability (after etching and baking)
- 0.22 mil
The Rogers CLTE-MW laminate has the following physical properties:
Rogers CLTE-MW laminate has a pretty low moisture absorption rate of:
Specific heat capacity
The specific heat capacity of the Rogers CLTE-MW laminate under C-24/23/50 test conditions is:
- 2.1 g/cm3
The Rogers CLTE-MW laminate is one of a kind. It bears special features that boost its durability, stability, and performance. All this makes it one of the best laminates on the market today. If you are looking to utilize this laminate in your project, we assure you that it will not disappoint.