MPCVD DIAMOND FABRICATOR
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MPCVD DIAMOND FABRICATOR
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Semiconductor Wafer Chuck, Porous Chuck, SiSiC Pin Chuck, AlN Ceramic Heater/ESC precision ceramic solution; Functional MPCVD Diamond Wafer Substrate, Diamond Heat Sink, Diamond Optical Window, Metal Matrix Diamond Composite
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DIASEMI – U.S.-Based Supplier of MPCVD Diamond Materials
Introducing Diamond-Reinforced Metal Composites
Cu-Diamond (Copper-Diamond)
Al-Diamond (Aluminum-Diamond)
diasemi.us
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#copperdiamond
#aluminumdiamond
#cvddiamond
February 13, 2025 at 5:18 PM
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DIASEMI – A U.S.-based supplier of diamond loudspeaker cones for high-performance audio products.
www.diasemi.us
sales@semixicon.com.
#diamondloudspeaker
#loudspeakercones
#diamondaudio
#cvddiamond
#diamonddiaphragms
#tweeterdomes
February 13, 2025 at 2:56 AM
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MPCVD Single-Crystal Diamond – New Lot Now In Stock!
DIASEMI is excited to announce the availability of a new lot of premium MPCVD Single-Crystal Diamonds, tailored for high-performance applications.
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#CVDDIAMONDS
#SINGLECRYSTALDIAMOND
February 11, 2025 at 5:12 AM
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DIASEMI:Advanced Optical MPCVD Diamond Windows
Laser Crystals
Raman Diamond
ATR(Attenuated Total Reflection)
Infrared&X-Ray Windows
Microwave Windows
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#cvddiamond
#opticaldiamond
#xraydiamond
#microwavediamond
#laserdiamond
#ramandiamond
February 6, 2025 at 9:06 PM
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Diasemi: U.S.-Based Supplier of MPCVD Diamond Materials.Today we present one of our innovations: Cu-Diamond, Al-Diamond, Ag-Diamond, and AlN-Diamond composites.
www.diasemi.us
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#copperdiamond
#aluminumdiamond
#diamondcomposite
#metaldiamondcomposite
#ceramicdiamond
February 4, 2025 at 4:11 AM
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DIASEMI is pleased to announce the availability of a new lot of premium MPCVD Single-Crystal Diamonds,designed for cutting-edge applications requiring exceptional optical,thermal,mechanical performance.
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diasemi.us
#cvddiamond
#singlecrystaldiamond
#xraydiamond
#ramandiamond
February 2, 2025 at 10:11 PM
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DIASEMI specializes in the research and production of MPCVD diamond speakers. Our wafer-level diamond growth achieves surface roughness of Ra < 1 nm, and our diamond heat spreaders offer thermal conductivity between 1000–2000 W/m·K
www.diasemi.us
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February 2, 2025 at 4:03 AM
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DIASEMI, A SUPPLIER OF MPCVD CU-DIAMOND COMPOSITE
Copper Diamond is a high thermal for applications such as AI, high-performance computing(HPC), GaN RF devices
Copper Diamond offers exceptional thermal conductivity(~800 W/mK)at a lower cost
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#cudiamond
#copperdiamond
January 31, 2025 at 8:12 PM
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DIASEMI is excited to announce the availability of a new lot of premium MPCVD Single-Crystal Diamonds,tailored for high-performance applications
sales@semixicon.com
www.diasemi.us
#singlecrystaldiamond
#ramandiamond
#xraytarget
#quantumdiamond
#cvddiamond
#opticaldiamondwindow
#polycrystaldiamond
January 30, 2025 at 5:18 AM
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DIASEMI, a Supplier of MPCVD Diamond Materials
Below are detailed specifications for Cu-Diamond, Al-Diamond, Ag-Diamond, and AlN-Diamond composites:
www.diasemi.us
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#copperdiamond
#aluminumdiamond
#aluminumnitridediamond
#silverdiamondcomposite
#aldiamondcomposite
#cvddiamond
January 28, 2025 at 5:44 AM
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DIASEMI: A U.S.-Based Supplier of MPCVD Diamond Materials
Today, we introduce one of the innovative products: Diamond Optical Window
Single-Crystalline: >10mm; Infrared Transmittance:71%
Poly Crystalline:1-8 Inches; Infrared Transmittance:68-70%
www.diasemi.us
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#mpcvddiamond
January 27, 2025 at 4:23 AM
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DIASEMI: Supplier and Fabricator of Metal-Diamond Composites
Below are the specifications for Cu-Diamond (Copper-Diamond) Composites
Thermal Conductivity: Up to 600 W/(m·K)
CTE: Approximately 6.0 ppm/K, closely matching compound semiconductors like GaAs and GaN
www.diasemi.us
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January 26, 2025 at 5:23 AM
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DIASEMI: Advanced MPCVD Diamond Solutions
With decades of expertise, DIASEMI leverages cutting-edge MPCVD technology to deliver high-performance diamond products:
www.diasemi.us
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#cvddiamonds
#diamondheatsinks
#diamondwafer
#copperdiamonds
#aluminumdiamonds
#singlecrystaldiamonds
January 25, 2025 at 4:39 AM
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DIASEMI is a U.S.-based supplier and fabricator of MPCVD diamond materials. Today we present one of our innovations: Diamond Heat Sink (16 pieces 20x0.5mm are available in stock)
Available in various sizes, shapes, and thicknesses to meet specific requirements
www.diasemi.us
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January 24, 2025 at 3:54 AM
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DIASEMI: Innovating with Functional Diamond Solutions
DIASEMI,a U.S.-based supplier in diamond innovation, specializes in high-quality lab-grown diamond products using cutting-edge Microwave Plasma Chemical Vapor Deposition (MPCVD) technology
www.diasemi.us
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#singlecrystaldiamond
January 20, 2025 at 5:01 AM
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DIASEMI – a supplier of MPCVD diamond materials,presents one of innovations: Boron-Doped Diamond (BDD) Electrodes
Applications:Water Treatment,Electroanalysis,Industrial Processes
Boron Doping Concentration:>10²⁰/cm³
Resistivity:0.01–0.2 Ω·cm
Size: Up to Ф150mm
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January 18, 2025 at 8:45 PM
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DIASEMI,a U.S.-based supplier and fabricator of MPCVD diamond materials,proudly presents our latest products:8-inch and 10-inch diamond substrates(see images below)
These high-quality substrates are tailored to meet our customers' specific requirements
www.diasemi.us
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#CVDDIAMOND
January 18, 2025 at 3:32 AM
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DIASEMI, a supplier and fabricator of metal diamond composites.
1. Cu-Diamond (Copper-Diamond) Composite
2. Al-Diamond (Aluminum-Diamond) Composite
3. Ag-Diamond (Silver-Diamond) Composite
4. AlN-Diamond (Aluminum Nitride-Diamond) Composite
www.diasemi.us
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#cudiamondcomposites
January 17, 2025 at 4:02 AM
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DIASEMI, a U.S.-based supplier and fabricator of MPCVD diamond materials, is pleased to present our CVD diamond on silicon substrates
Customization: Thickness, grain size, and other properties can be tailored to specific application requirements
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#diamondonsilicon
January 16, 2025 at 3:43 AM
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DIASEMI: A U.S.-Based Supplier of MPCVD Diamond Materials

Introducing Copper-Diamond and Aluminum-Diamond Composites, advanced materials designed for superior thermal management.

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www.diasemi.us
#cvddiamond
#copperdiamondcomposite
#aluminumdiamondcomposite
#cvddiamondfabricator
January 15, 2025 at 4:23 AM
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With decades of R&D expertise, DIASEMI delivers cutting-edge functional diamond products using advanced MPCVD technology:
www.diasemi.us
sales@semixicon.com
#cvddiamond
#diamondheatsink
#diamondopticalwindow
#diamondonsilicon
#copperdiamondcomposite
#aluminumdiamondcomposite
#singlecrystaldiamond
January 14, 2025 at 5:24 AM
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DIASEMI is a U.S.-based supplier of functional diamond innovation. It specializes in high-quality lab-grown diamond products using Microwave Plasma Chemical Vapor Deposition (MPCVD) technology.
www.diasemi.us
sales@semixicon.com
#cvddiamond
#cvddiamondheatsink
#cvddiamondopticalwindow
#copperdiamond
January 13, 2025 at 1:54 AM
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DIASEMI, a U.S.-based supplier and fabricator of MPCVD diamond substrates

MPCVD single-crystalline diamonds:
Dimensions: Up to 20 × 20 × 3 mm or ⌀25 mm
Nitrogen Content: 0.1–1 ppm
Hardness: 70–120 GPa
Young’s Modulus: 1050 GPa
TC: 1800–2300 W/mK
CTE: 1 ± 0.1 ppm/K
www.diasemi.us
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January 11, 2025 at 8:31 PM
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DIASEMI employs MPCVD technology to produce a diverse range of diamond products
Single-Crystalline Diamonds
Diamond heat sinks,diamond substrates
Cu-/AI-/AIN-DiamondComposites
Optical windows
Silicon/SiC/GaN on diamond
Diamond tweeter domes, diaphragms
www.diasemi.us
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#CVDDIAMOND
January 10, 2025 at 6:41 PM
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DIASEMI, A U.S.-based supplier and fabricator of MPCVD diamond materials, proudly presents
Diamond and Silicon Carbide (SiC) Composite
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www.diasemi.us
#cvddiamondcomposite
#cvddiamond
#cvddiamondsilicon
#cvdcopperdiamond
#cvdaluminumdiamond
#mpcvddiamond
#cvddiamondheatsink
January 10, 2025 at 2:19 AM