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Home > Characteristics > Low dielectric loss tangent ceramics for high frequency applications

Low dielectric loss tangent ceramics for high frequency applications

Low dielectric loss ceramics for high frequency applications

Product example

Features 

  • N-99DLT (Low dielectric loss tangent Alumina ceramics) has Low dielectric loss tangent (10-4) in GHz or MHz band.
  • Variety of  Low dielectric constant type(ε), low dielectric loss tangent type, stronger type, etc.
  • We can produce simple shape parts such as plates, but also small and complex shape parts. Also , we can supply it as filler.

Applications 

  • Parts for Plasma process like etcher, CVD process
  • 5G Mobile communication devices 
  • Aerospace industries, Rader, Microwave, etc.
  • Medical market
  • Parts for high-frequency board with high heat resistance and high durability, Parts for antennas, RF Windows, Parts for semiconductor manufacturing equipment

Properties 

Products No. N-99DLT N-999DLT N-75 N-600
Materials Alumina
(Aℓ2O399.7%)
Alumina
(Aℓ2O399.9%)
Forsterite Cordierite
Bulk desity g/cm3 3.93 3.95 3.0 2.5
Water adsorption % 0 0 0 0
Flexural Strength MPa 289 348 150 150
Young’s module GPa 388 392 ━ ━
Linear expansion
coefficient(30~300℃)
×10-6/℃     8.97 0.98
Volume resistivity Ω・cm > 1016 > 1016 > 1013 > 1014
Dielectric constant (Permittivity) ε 1MHz ━ ━ 6.5 4.9
1GHz 9.5 9.6 6.6 4.8
5GHz 9.5 9.6 6.7 4.8
10GHz 9.5 9.6 6.6 4.7
Dielectric loss tanδ
(×10-4)
1MHz ━ ━ 3.0 9.0
1GHz 0.7 0.7 2.3 28
5GHz 1.1 1.0 4.7 24
10GHz 2.7 2.5 4.1 23
Symbols used in the graph below 〇 △ □ ◇

※The above numbers are only representative values and not guaranteed value.

Graph1 Relative permittivity(ε), and Dielectric loss (tanδ) of each ceramics in 1-10GHz.

 

Related pages

Properties comparison list : Compare by dielectric constant

Material list

Characteristics

  • Wear-resistant engineering ceramics
  • Endothermic and Exothermic ceramics
  • Comparison of thermal expansion between other materials (Metal, Glass, or Quarts) and Nishimura’s ceramic.
  • Metal powder compound
  • Ceramics as catalytic support with high Thermostability
  • Translucent Ceramics
  • Low reflectivity ceramics  
  • High reflective (Visible light) ceramic N-9000T
  • Porous Alumina Ceramics
  • Ceramics Insulation Resistance by Temperature
  • Low Dielectric Loss High Frequency (RF) Ceramics
  • Low dielectric loss tangent ceramics for high frequency applications
Compare material properties
Ceramics Manufacturing/equipment
Ceramic substrate size list
Compare material properties
Properties sheet PDF Downloads
CIM Feedstock
3D Ceramic Printing (Additive manufacturing) Service / Fast Prototyping
Medical ceramics

Contact us

Nishimura Advanced Ceramics Co.,Ltd

+81-80-8305-9205

3-2 Kawata Kiyomizuyaki Danchi-cho,
Yamashina-ku, Kyoto, 607-8322, Japan

npc-e3@nishimuratougyou.co.jp

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西村陶業株式会社

3-2 Kawata Kiyomizuyaki Danchi-cho,
Yamashina-ku, Kyoto, 607-8322, Japan

TEL:+81-80-8305-9205

npc-e3@nishimuratougyou.co.jp

  • Home
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  • Applications
  • Characteristics
  • About
    • Company features
    • Management philosophy, quality policies and message from CEO
    • Company profile, history and access map
    • Patent, Utility model, and trademark
  • Contact us
  • Ceramic Square Plate ,Round Bar, Round Plate
  • Compare material properties
  • Properties sheet PDF Downloads
  • 3D Ceramic Printing (Additive manufacturing) Service / Fast Prototyping
  • Medical ceramics
  • Facilities introduction
    • Measureing devices for evaluation
  • Manufacturing Technology of Ceramics
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