微带天线介质的介电常量和损耗正切角

bernstein

对不起，上传资料有问题，以后再发一些免费的补救好了。

[此贴子已经被作者于2006-5-8 17:43:27编辑过]

mars_v

<P>打不开啊，lz重新传一下吧</P>

bernstein

非常抱歉，不知道为什么突然无法上传了。跟我国外的IP不知是否有关？
先换成DOC贴上去吧，真得很抱歉。
Dielectric Constant, Strength, & Loss Tangent


Values presented here are relative dielectric constants (relative permittivities). As indicated by er = 1.00000 for a vacuum, all values are relative to a vacuum. Multiply by e0 = 8.8542 x 10-12 F/m (permittivity of free space) to obtain absolute permittivity. Dielectric constant is a measure of the charge retention capacity of a medium. In general, low dielectric constants (i.e., Polypropylene) result in a "fast" substrate while large dielectric constants
(i.e., Alumina) result in a "slow" substrate.
Dielectric loss tangent is the imaginary part of the dielectric constant, and determines the lossiness of the medium. Similar to dielectric constant, low loss tangents result in a "fast" substrate while large loss tangents result in a "slow" substrate.
Beware that the exact values can vary greatly depending on the particular manufacturer's process, so you should seek out data from the manufacturer for critical applications.


SubstanceDielectric Constant
(relative)Dielectric
Strength
(V/mil)Loss
TangentMax Temp
(°F)
ABS (plastic)2.4 - 3.8410 140
Air1.0005430 - 70  
Alumina - 96%
                - 99.5%
10.0
9.6
  0.0002 @ 1 GHz
0.0002 @ 100 MHz
0.0003 @ 10 GHz
Aluminum Silicate5.3 - 5.5   
Bakelite3.7   
Bakelite (mica filled)4.7325 - 375  
Balsa Wood1.37 @ 1 MHz
1.22 @ 3 GHz 0.012 @ 1 MHz
0.100 @ 3 GHz
Beeswax (yellow)2.53 @ 1 MHz
2.39 @ 3 GHz 0.0092 @ 1 MHz
0.0075 @ 3 GHz
Beryllium oxide6.7 0.006 @ 10 GHz
Butyl Rubber2.35 @ 1 MHz
2.35 @ 3 GHz 0.001 @ 1 MHz
0.0009 @ 3 GHz
Carbon Tetrachloride2.17 @ 1 MHz
2.17 @ 3 GHz <0.0004 @ 1 MHz
0.0004 @ 3 GHz
Diamond5.5 - 10   
Delrin (acetyl resin)3.7500 180
Douglas Fir1.9 @ 1 MHz 0.023 @ 1 MHz
Douglas Fir Plywood1.93 @ 1 MHz
1.82 @ 3 GHz 0.026 @ 1 MHz
0.027 @ 3 GHz
Enamel5.1450  
Epoxy glass PCB5.2700  
Ethyl Alcohol (absolute)24.5 @ 1 MHz
6.5 @ 3 GHz 0.09 @ 1 MHz
0.25 @ 3 GHz
Ethylene Glycol41 @ 1 MHz
12 @ 3 GHz -0.03 @ 1 MHz
1 @ 3 GHz
Formica XX4.00   
FR-4 (G-10) - low resin
                  - high resin4.9
4.2 0.008 @ 100 MHz
0.008 @ 3 GHz
Fused quartz3.8 0.0002 @ 100 MHz
0.00006 @ 3 GHz
Fused silica (glass)3.8   
Gallium Arsenide (GaAs)13.1 0.0016 @ 10 GHz
Germanium16   
Glass4 - 10   
Glass (Corning 7059)5.75 0.0036 @ 10 GHz
Gutta-percha2.6   
Halowax oil4.8   
Ice (pure distilled water)4.15 @ 1 MHz
3.2 @ 3 GHz 0.12 @ 1 MHz
0.0009 @ 3 GHz
Kapton&reg; Type 100
            Type 1503.9
2.97400
4400 500

Kel-F2.6   
Lexan&reg;2.96400 275
Lucite2.8   
Mahogany2.25 @ 1 MHz
1.88 @ 3 GHz 0.025 @ 1 MHz
0.025 @ 3 GHz
Mica         
Mica, Ruby4.5 - 8.0
5.43800 -5600  
Micarta 2543.4 - 5.4   
Mylar&reg;3.27000 250
Neoprene6 - 9600  
Neoprene rubber6.26 @ 1 MHz
4 @ 3 GHz 0.038 @ 1 MHz
0.034 @ 3 GHz
Nomex&reg; 800 450
Nylon3.2 - 5400 280
Oil (mineral, squibb)2.7200  
Paper (bond)3.0200  
Paraffin2-3   
Phenolica (glass-filled)5 - 7   
Phenolics (cellulose-filled)4 - 15 0.03 @ 100 MHz
Phenolics (mica-filled)4.7 - 7.5   
Plexiglass&reg;2.2 - 3.4450 - 990  
Polyethylene LDPE/HDPE2.26 @ 1 MHz
2.26 @ 3 GHz450 - 12000.0002 @ 100 MHz
0.00031 @ 3 GHz170
Polyamide2.5 - 2.6   
Polypropylene2.2500 250
Polystyrene2.5 - 2.65000.0001 @ 100 MHz
0.00033 @ 3 GHz
Polyvinylchloride (PVC)3725 140
Porcelain5.1 - 5.940 -280  
Pyrex glass (Corning 7740)5.1335  
Quartz (fused)4.2150 - 200  
RT/Duroid 5880
(go to Rogers)2.20   
Rubber3.0 - 4.0150 - 500 170
Ruby11.3   
Silicon11.7 - 12.9100 - 7000.005 @ 1 GHz
0.015 @ 10 GHz300
Silicone oil2.5   
Silicone RTV3.6550  
Soil (dry sandy)2.59 @ 1 MHz
2.55 @ 3 GHz 0.017 @ 1 MHz
0.0062 @ 3 GHz
Soil (dry loamy)2.53 @ 1 MHz
2.44 @ 3 GHz 0.018 @ 1 MHz
0.0011 @ 3 GHz
Steatite5.3-6.5   
Strontium titanate233   
Teflon&reg; (PTFE)2.0 - 2.110000.0028 @ 3 GHz480
Tenite2.9 - 4.5   
Transformer oil4.5   
Vacuum (free space)1.00000   
Valox&reg; 1560 400
Vaseline2.16 0.00004 @ 0.1 GHz
0.00066 @ 3 GHz
Vinyl2.8 - 4.5   
Water (32°F)
         (68°F)
          (212°F)88.0
80.4
55.3800.04 @ 1 MHz
0.157 @ 3 GHz
Water (distilled)76.7 - 78.2 0.005 @ 100 MHz
0.157 @ 3 GHz
Wood1.2 - 2.1 0.04 @ 0.1 GHz
0.03 @ 3 GHz