CN104774472A - Ultra-wideband terahertz wave-absorbing material - Google Patents
Ultra-wideband terahertz wave-absorbing material Download PDFInfo
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- CN104774472A CN104774472A CN201510170726.4A CN201510170726A CN104774472A CN 104774472 A CN104774472 A CN 104774472A CN 201510170726 A CN201510170726 A CN 201510170726A CN 104774472 A CN104774472 A CN 104774472A
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Abstract
The invention relates to an ultra-wideband terahertz wave-absorbing material, and belongs to the field of wave-absorbing materials. The ultra-wideband terahertz wave-absorbing material is in the shape formed by continuously arranging a plurality of rectangular pyramids on a base without a spacing along the bottom sides of the rectangular pyramids or continuously arranging a plurality of triangular pyramids on the base without spacing along the side edges of the triangular pyramids; the ultra-wideband terahertz wave-absorbing material comprises a closed-cell high polymer material and wave-absorbing powder. The ultra-wideband terahertz wave-absorbing material has the beneficial effects that the working frequency of the material is 10-10000GHz.
Description
Technical field
The present invention relates to a kind of ultrabroad band Terahertz absorbing material, belong to absorbing material field.
Background technology
THz wave refers to the hertzian wave of frequency in 100 ~ 10000GHz scope.From frequency, at radiowave and light wave, between millimeter wave and infrared rays; From energy, between electronics and photon.On electromagnetic spectrum, the infrared and microwave technology of terahertz wave band both sides is very ripe, but Terahertz Technology is also in the starting stage substantially.Its reason is in this frequency range, has both not exclusively been suitable for optical theory and has processed, and is also not exclusively suitable for microwave theory and studies.
Along with the development of Terahertz science and technology, it embodies advantage and application prospect widely at multiple key areas such as physics, chemistry, electronic information, life science, Materials science, uranology, air and environmental monitoring, communication radar, national security and anti-terrorisms.Such as in the imaging of the character research to semiconductor material, high temperature superconducting materia, tomography technology, unmarked genetic test, cell levels, chemistry and biological inspection, and many fields such as broadband connections, microwave orientation, Terahertz Technology all achieves breakthrough progress.The flourishing fast development of Terahertz science and technology and make the research of corresponding Terahertz absorbing material become very important in broad prospect of application that is civilian, military field.
Current absorbing material is mainly divided into following two large classes:
One, with urethane porous sponge for base material, through the taper absorbing material of multiple following process process.This material is widely used in various anechoic chamber, and operating frequency has good absorption from 100MHz to 40GHz, and work of also can expanding is to 100GHz, but at more than 100GHz, absorptive character have started obvious reduction.
Two, with the macromolecular material such as rubber, resin for carrier, mix certain conduction or magnetic powder, make it there is good absorption at microwave frequency band.Contrast polyurethane-type absorbing material, it can obtain good wave-absorbing effect in more narrow space.This material is mainly used in device interior, little shielded cell, and under some special environment.
Summary of the invention
The present invention, by proposing a kind of new Terahertz absorbing material, solves the problem that above-mentioned absorbing material absorbs THz wave weak effect.
The invention provides a kind of ultrabroad band Terahertz absorbing material, the shape of described ultrabroad band Terahertz absorbing material be several rectangular pyramids along rectangular pyramid base continuously continuously apart from be arranged on base or several triangular prisms along the incline of triangular prism continuously continuously apart from being arranged on base, the consisting of closed pore macromolecular material and inhale ripple powder of described ultrabroad band Terahertz absorbing material.
Rectangular pyramid of the present invention is preferably positive rectangular pyramid, and two side slant height angles that described positive rectangular pyramid is relative are 5 ~ 30 °, and the height of described positive rectangular pyramid is 0.5 ~ 4mm.
Triangular prism of the present invention is preferably isosceles triangular prism, and the drift angle of the bottom surface isosceles triangle of described isosceles triangular prism is 5 ~ 30 °, and the height on the base of described isosceles triangle is 0.5 ~ 4mm.
The thickness of base of the present invention is preferably 0.25 ~ 2mm.
Closed pore macromolecular material of the present invention is preferably rubber, plastics or resin, more preferably silicon rubber, chloroprene rubber, chlorinatedpolyethylene or epoxy resin.
Suction ripple powder of the present invention is preferably magnetic metallic powder or metal oxide powder.
Magnetic metallic powder of the present invention is preferably iron powder, iron aluminum silicon powder or nickel powder.
Metal oxide powder of the present invention is preferably ferric oxide or titanium oxide.
Suction ripple powder of the present invention accounts for ultrabroad band Terahertz absorbing material weight percent and is preferably 40 ~ 99%.
Beneficial effect of the present invention is:
1. the operating frequency of material of the present invention is 10 ~ 10000GHz;
2. the reflectivity of 10 ~ 40GHz vertical incidence material of the present invention is not less than-25dB;
3. the reflectivity of 40 ~ 100GHz vertical incidence material of the present invention is not less than-30dB;
4. the reflectivity of 100 ~ 300GHz vertical incidence material of the present invention is not less than-35dB;
5. the reflectivity of 300 ~ 10000GHz vertical incidence material of the present invention is not less than-60dB, and peak value can reach-90dB;
6. material of the present invention has silencing function.
Accompanying drawing explanation
Accompanying drawing 2 width of the present invention,
Fig. 1 is the structural representation of the ultrabroad band Terahertz absorbing material described in embodiment 1;
Fig. 2 is the structural representation of the ultrabroad band Terahertz absorbing material described in embodiment 193.
Embodiment
Following non-limiting example can make the present invention of those of ordinary skill in the art's comprehend, but does not limit the present invention in any way.
Embodiment 1
A kind of ultrabroad band Terahertz absorbing material, the shape of described ultrabroad band Terahertz absorbing material is that the base of 168 × 168 positive rectangular pyramids along positive rectangular pyramid is continuously continuously apart from being arranged on base, two side slant height angles that described positive rectangular pyramid is relative are 5 °, the height of described positive rectangular pyramid is 0.5mm, the thickness of described base is 0.25mm, the uniform mixture consisting of silicon rubber and iron powder of described ultrabroad band Terahertz absorbing material, described iron powder accounts for 50% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 2 ~ 4
With being distinguished as of embodiment 1: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 5
With being distinguished as of embodiment 1: adopt chloroprene rubber to replace silicon rubber.
Embodiment 6 ~ 8
With being distinguished as of embodiment 1: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 9
With being distinguished as of embodiment 1: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 10 ~ 12
With being distinguished as of embodiment 1: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 13
With being distinguished as of embodiment 1: adopt epoxy resin to replace silicon rubber.
Embodiment 14 ~ 16
With being distinguished as of embodiment 1: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 17
With being distinguished as of embodiment 1: described iron powder accounts for 70% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 18 ~ 20
With being distinguished as of embodiment 17: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 21
With being distinguished as of embodiment 17: adopt chloroprene rubber to replace silicon rubber.
Embodiment 22 ~ 24
With being distinguished as of embodiment 17: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 25
With being distinguished as of embodiment 17: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 26 ~ 28
With being distinguished as of embodiment 17: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 29
With being distinguished as of embodiment 17: adopt epoxy resin to replace silicon rubber.
Embodiment 30 ~ 32
With being distinguished as of embodiment 17: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 33
With being distinguished as of embodiment 1: described iron powder accounts for 90% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 34 ~ 36
With being distinguished as of embodiment 33: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 37
With being distinguished as of embodiment 33: adopt chloroprene rubber to replace silicon rubber.
Embodiment 38 ~ 40
With being distinguished as of embodiment 33: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 41
With being distinguished as of embodiment 33: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 42 ~ 44
With being distinguished as of embodiment 33: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 45
With being distinguished as of embodiment 33: adopt epoxy resin to replace silicon rubber.
Embodiment 46 ~ 48
With being distinguished as of embodiment 33: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 49
A kind of ultrabroad band Terahertz absorbing material, the shape of described ultrabroad band Terahertz absorbing material is that the base of 168 × 168 positive rectangular pyramids along positive rectangular pyramid is continuously continuously apart from being arranged on base, two side slant height angles that described positive rectangular pyramid is relative are 10 °, the height of described positive rectangular pyramid is 1mm, the thickness of described base is 0.5mm, the uniform mixture consisting of silicon rubber and iron powder of described ultrabroad band Terahertz absorbing material, described iron powder accounts for 50% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 50 ~ 52
With being distinguished as of embodiment 49: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 53
With being distinguished as of embodiment 49: adopt chloroprene rubber to replace silicon rubber.
Embodiment 54 ~ 56
With being distinguished as of embodiment 49: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 57
With being distinguished as of embodiment 49: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 58 ~ 60
With being distinguished as of embodiment 49: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 61
With being distinguished as of embodiment 49: adopt epoxy resin to replace silicon rubber.
Embodiment 62 ~ 64
With being distinguished as of embodiment 49: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 65
With being distinguished as of embodiment 49: described iron powder accounts for 70% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 66 ~ 68
With being distinguished as of embodiment 65: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 69
With being distinguished as of embodiment 65: adopt chloroprene rubber to replace silicon rubber.
Embodiment 70 ~ 72
With being distinguished as of embodiment 65: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 73
With being distinguished as of embodiment 65: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 74 ~ 76
With being distinguished as of embodiment 65: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 77
With being distinguished as of embodiment 65: adopt epoxy resin to replace silicon rubber.
Embodiment 78 ~ 80
With being distinguished as of embodiment 65: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 81
With being distinguished as of embodiment 49: described iron powder accounts for 90% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 82 ~ 84
With being distinguished as of embodiment 81: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 85
With being distinguished as of embodiment 81: adopt chloroprene rubber to replace silicon rubber.
Embodiment 86 ~ 88
With being distinguished as of embodiment 81: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 89
With being distinguished as of embodiment 81: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 90 ~ 92
With being distinguished as of embodiment 81: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 93
With being distinguished as of embodiment 81: adopt epoxy resin to replace silicon rubber.
Embodiment 94 ~ 96
With being distinguished as of embodiment 81: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 97
A kind of ultrabroad band Terahertz absorbing material, the shape of described ultrabroad band Terahertz absorbing material is that the base of 168 × 168 positive rectangular pyramids along positive rectangular pyramid is continuously continuously apart from being arranged on base, two side slant height angles that described positive rectangular pyramid is relative are 15 °, the height of described positive rectangular pyramid is 2mm, the thickness of described base is 1mm, the uniform mixture consisting of silicon rubber and iron powder of described ultrabroad band Terahertz absorbing material, described iron powder accounts for 50% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 98 ~ 100
With being distinguished as of embodiment 97: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 101
With being distinguished as of embodiment 97: adopt chloroprene rubber to replace silicon rubber.
Embodiment 102 ~ 104
With being distinguished as of embodiment 97: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 105
With being distinguished as of embodiment 97: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 106 ~ 108
With being distinguished as of embodiment 97: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 109
With being distinguished as of embodiment 97: adopt epoxy resin to replace silicon rubber.
Embodiment 110 ~ 112
With being distinguished as of embodiment 97: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 113
With being distinguished as of embodiment 97: described iron powder accounts for 70% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 114 ~ 116
With being distinguished as of embodiment 113: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 117
With being distinguished as of embodiment 113: adopt chloroprene rubber to replace silicon rubber.
Embodiment 118 ~ 120
With being distinguished as of embodiment 113: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 121
With being distinguished as of embodiment 113: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 122 ~ 124
With being distinguished as of embodiment 113: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 125
With being distinguished as of embodiment 113: adopt epoxy resin to replace silicon rubber.
Embodiment 126 ~ 128
With being distinguished as of embodiment 113: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 129
With being distinguished as of embodiment 97: described iron powder accounts for 90% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 130 ~ 132
With being distinguished as of embodiment 129: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 133
With being distinguished as of embodiment 129: adopt chloroprene rubber to replace silicon rubber.
Embodiment 134 ~ 136
With being distinguished as of embodiment 129: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 137
With being distinguished as of embodiment 129: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 138 ~ 140
With being distinguished as of embodiment 129: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 141
With being distinguished as of embodiment 129: adopt epoxy resin to replace silicon rubber.
Embodiment 142 ~ 144
With being distinguished as of embodiment 129: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 145
A kind of ultrabroad band Terahertz absorbing material, the shape of described ultrabroad band Terahertz absorbing material is that the base of 168 × 168 positive rectangular pyramids along positive rectangular pyramid is continuously continuously apart from being arranged on base, two side slant height angles that described positive rectangular pyramid is relative are 20 °, the height of described positive rectangular pyramid is 3mm, the thickness of described base is 1mm, the uniform mixture consisting of silicon rubber and iron powder of described ultrabroad band Terahertz absorbing material, described iron powder accounts for 50% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 146 ~ 148
With being distinguished as of embodiment 145: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 149
With being distinguished as of embodiment 145: adopt chloroprene rubber to replace silicon rubber.
Embodiment 150 ~ 152
With being distinguished as of embodiment 145: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 153
With being distinguished as of embodiment 145: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 154 ~ 156
With being distinguished as of embodiment 145: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 157
With being distinguished as of embodiment 145: adopt epoxy resin to replace silicon rubber.
Embodiment 158 ~ 160
With being distinguished as of embodiment 145: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 161
With being distinguished as of embodiment 145: described iron powder accounts for 70% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 162 ~ 164
With being distinguished as of embodiment 161: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 165
With being distinguished as of embodiment 161: adopt chloroprene rubber to replace silicon rubber.
Embodiment 166 ~ 168
With being distinguished as of embodiment 161: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 169
With being distinguished as of embodiment 161: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 170 ~ 172
With being distinguished as of embodiment 161: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 173
With being distinguished as of embodiment 161: adopt epoxy resin to replace silicon rubber.
Embodiment 174 ~ 176
With being distinguished as of embodiment 161: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 177
With being distinguished as of embodiment 145: described iron powder accounts for 90% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 178 ~ 180
With being distinguished as of embodiment 177: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 181
With being distinguished as of embodiment 177: adopt chloroprene rubber to replace silicon rubber.
Embodiment 182 ~ 184
With being distinguished as of embodiment 177: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 185
With being distinguished as of embodiment 177: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 186 ~ 188
With being distinguished as of embodiment 177: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 189
With being distinguished as of embodiment 177: adopt epoxy resin to replace silicon rubber.
Embodiment 190 ~ 192
With being distinguished as of embodiment 177: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 193
A kind of ultrabroad band Terahertz absorbing material, the shape of described ultrabroad band Terahertz absorbing material is that 168 isosceles triangular prisms are along connecting the incline on base, isosceles triangular prism two bottom surfaces continuously continuously apart from being arranged on base, the drift angle of the bottom surface isosceles triangle of described isosceles triangular prism is 5 °, height on the base of described isosceles triangle is 0.5mm, the incline of described isosceles triangular prism is 200mm, the thickness of described base is 0.25mm, the uniform mixture consisting of silicon rubber and iron powder of described ultrabroad band Terahertz absorbing material, described iron powder accounts for 50% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 194 ~ 196
With being distinguished as of embodiment 193: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 197
With being distinguished as of embodiment 193: adopt chloroprene rubber to replace silicon rubber.
Embodiment 198 ~ 200
With being distinguished as of embodiment 193: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 201
With being distinguished as of embodiment 193: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 202 ~ 204
With being distinguished as of embodiment 193: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 205
With being distinguished as of embodiment 193: adopt epoxy resin to replace silicon rubber.
Embodiment 206 ~ 208
With being distinguished as of embodiment 193: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 209
With being distinguished as of embodiment 193: described iron powder accounts for 70% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 210 ~ 212
With being distinguished as of embodiment 209: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 213
With being distinguished as of embodiment 209: adopt chloroprene rubber to replace silicon rubber.
Embodiment 214 ~ 216
With being distinguished as of embodiment 209: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 217
With being distinguished as of embodiment 209: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 218 ~ 220
With being distinguished as of embodiment 209: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 221
With being distinguished as of embodiment 209: adopt epoxy resin to replace silicon rubber.
Embodiment 222 ~ 224
With being distinguished as of embodiment 209: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 225
With being distinguished as of embodiment 193: described iron powder accounts for 90% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 226 ~ 228
With being distinguished as of embodiment 225: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 229
With being distinguished as of embodiment 225: adopt chloroprene rubber to replace silicon rubber.
Embodiment 230 ~ 232
With being distinguished as of embodiment 225: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 233
With being distinguished as of embodiment 225: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 234 ~ 236
With being distinguished as of embodiment 225: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 237
With being distinguished as of embodiment 225: adopt epoxy resin to replace silicon rubber.
Embodiment 238 ~ 240
With being distinguished as of embodiment 225: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 241
A kind of ultrabroad band Terahertz absorbing material, the shape of described ultrabroad band Terahertz absorbing material is that 168 isosceles triangular prisms are along connecting the incline on base, isosceles triangular prism two bottom surfaces continuously continuously apart from being arranged on base, the drift angle of the bottom surface isosceles triangle of described isosceles triangular prism is 10 °, height on the base of described isosceles triangle is 1mm, the incline of described isosceles triangular prism is 200mm, the thickness of described base is 0.5mm, the uniform mixture consisting of silicon rubber and iron powder of described ultrabroad band Terahertz absorbing material, described iron powder accounts for 50% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 242 ~ 244
With being distinguished as of embodiment 241: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 245
With being distinguished as of embodiment 241: adopt chloroprene rubber to replace silicon rubber.
Embodiment 246 ~ 248
With being distinguished as of embodiment 241: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 249
With being distinguished as of embodiment 241: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 250 ~ 252
With being distinguished as of embodiment 241: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 253
With being distinguished as of embodiment 241: adopt epoxy resin to replace silicon rubber.
Embodiment 254 ~ 256
With being distinguished as of embodiment 241: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 257
With being distinguished as of embodiment 241: described iron powder accounts for 70% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 258 ~ 260
With being distinguished as of embodiment 257: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 261
With being distinguished as of embodiment 257: adopt chloroprene rubber to replace silicon rubber.
Embodiment 262 ~ 264
With being distinguished as of embodiment 257: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 265
With being distinguished as of embodiment 257: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 266 ~ 268
With being distinguished as of embodiment 257: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 269
With being distinguished as of embodiment 257: adopt epoxy resin to replace silicon rubber.
Embodiment 270 ~ 272
With being distinguished as of embodiment 257: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 273
With being distinguished as of embodiment 241: described iron powder accounts for 90% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 274 ~ 276
With being distinguished as of embodiment 273: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 277
With being distinguished as of embodiment 273: adopt chloroprene rubber to replace silicon rubber.
Embodiment 278 ~ 280
With being distinguished as of embodiment 273: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 281
With being distinguished as of embodiment 273: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 282 ~ 284
With being distinguished as of embodiment 273: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 285
With being distinguished as of embodiment 273: adopt epoxy resin to replace silicon rubber.
Embodiment 286 ~ 288
With being distinguished as of embodiment 273: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 289
A kind of ultrabroad band Terahertz absorbing material, the shape of described ultrabroad band Terahertz absorbing material is that 168 isosceles triangular prisms are along connecting the incline on base, isosceles triangular prism two bottom surfaces continuously continuously apart from being arranged on base, the drift angle of the bottom surface isosceles triangle of described isosceles triangular prism is 15 °, height on the base of described isosceles triangle is 2mm, the incline of described isosceles triangular prism is 200mm, the thickness of described base is 1mm, the uniform mixture consisting of silicon rubber and iron powder of described ultrabroad band Terahertz absorbing material, described iron powder accounts for 50% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 290 ~ 292
With being distinguished as of embodiment 289: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 293
With being distinguished as of embodiment 289: adopt chloroprene rubber to replace silicon rubber.
Embodiment 294 ~ 296
With being distinguished as of embodiment 289: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 297
With being distinguished as of embodiment 289: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 298 ~ 300
With being distinguished as of embodiment 289: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 301
With being distinguished as of embodiment 289: adopt epoxy resin to replace silicon rubber.
Embodiment 302 ~ 304
With being distinguished as of embodiment 289: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 305
With being distinguished as of embodiment 289: described iron powder accounts for 70% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 306 ~ 308
With being distinguished as of embodiment 305: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 309
With being distinguished as of embodiment 305: adopt chloroprene rubber to replace silicon rubber.
Embodiment 310 ~ 312
With being distinguished as of embodiment 305: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 313
With being distinguished as of embodiment 305: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 314 ~ 316
With being distinguished as of embodiment 305: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 317
With being distinguished as of embodiment 305: adopt epoxy resin to replace silicon rubber.
Embodiment 318 ~ 320
With being distinguished as of embodiment 305: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 321
With being distinguished as of embodiment 289: described iron powder accounts for 90% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 322 ~ 324
With being distinguished as of embodiment 321: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 325
With being distinguished as of embodiment 321: adopt chloroprene rubber to replace silicon rubber.
Embodiment 326 ~ 328
With being distinguished as of embodiment 321: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 329
With being distinguished as of embodiment 321: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 330 ~ 332
With being distinguished as of embodiment 321: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 333
With being distinguished as of embodiment 321: adopt epoxy resin to replace silicon rubber.
Embodiment 334 ~ 336
With being distinguished as of embodiment 321: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 337
A kind of ultrabroad band Terahertz absorbing material, the shape of described ultrabroad band Terahertz absorbing material is that 168 isosceles triangular prisms are along connecting the incline on base, isosceles triangular prism two bottom surfaces continuously continuously apart from being arranged on base, the drift angle of the bottom surface isosceles triangle of described isosceles triangular prism is 20 °, height on the base of described isosceles triangle is 3mm, the incline of described isosceles triangular prism is 200mm, the thickness of described base is 1mm, the uniform mixture consisting of silicon rubber and iron powder of described ultrabroad band Terahertz absorbing material, described iron powder accounts for 50% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 338 ~ 340
With being distinguished as of embodiment 337: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 341
With being distinguished as of embodiment 337: adopt chloroprene rubber to replace silicon rubber.
Embodiment 342 ~ 344
With being distinguished as of embodiment 337: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 345
With being distinguished as of embodiment 337: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 346 ~ 348
With being distinguished as of embodiment 337: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 349
With being distinguished as of embodiment 337: adopt epoxy resin to replace silicon rubber.
Embodiment 350 ~ 352
With being distinguished as of embodiment 337: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 353
With being distinguished as of embodiment 337: described iron powder accounts for 70% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 354 ~ 356
With being distinguished as of embodiment 353: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 357
With being distinguished as of embodiment 353: adopt chloroprene rubber to replace silicon rubber.
Embodiment 358 ~ 360
With being distinguished as of embodiment 353: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 361
With being distinguished as of embodiment 353: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 362 ~ 364
With being distinguished as of embodiment 353: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 365
With being distinguished as of embodiment 353: adopt epoxy resin to replace silicon rubber.
Embodiment 366 ~ 368
With being distinguished as of embodiment 353: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 369
With being distinguished as of embodiment 337: described iron powder accounts for 90% of ultrabroad band Terahertz absorbing material weight percent.
Embodiment 370 ~ 372
With being distinguished as of embodiment 369: adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 373
With being distinguished as of embodiment 369: adopt chloroprene rubber to replace silicon rubber.
Embodiment 374 ~ 376
With being distinguished as of embodiment 369: adopt chloroprene rubber to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 377
With being distinguished as of embodiment 369: adopt chlorinatedpolyethylene to replace silicon rubber.
Embodiment 378 ~ 380
With being distinguished as of embodiment 369: adopt chlorinatedpolyethylene to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Embodiment 381
With being distinguished as of embodiment 369: adopt epoxy resin to replace silicon rubber.
Embodiment 382 ~ 384
With being distinguished as of embodiment 369: adopt epoxy resin to replace silicon rubber, adopt iron aluminum silicon powder, ferric oxide and titanium oxide to replace iron powder respectively.
Claims (10)
1. a ultrabroad band Terahertz absorbing material, it is characterized in that: the shape of described ultrabroad band Terahertz absorbing material be several rectangular pyramids along rectangular pyramid base continuously continuously apart from be arranged on base or several triangular prisms along the incline of triangular prism continuously continuously apart from being arranged on base, the consisting of closed pore macromolecular material and inhale ripple powder of described ultrabroad band Terahertz absorbing material.
2. material according to claim 1, is characterized in that: described rectangular pyramid is positive rectangular pyramid, and two side slant height angles that described positive rectangular pyramid is relative are 5 ~ 30 °, and the height of described positive rectangular pyramid is 0.5 ~ 4mm.
3. material according to claim 2, is characterized in that: described triangular prism is isosceles triangular prism, and the drift angle of the bottom surface isosceles triangle of described isosceles triangular prism is 5 ~ 30 °, and the height on the base of described isosceles triangle is 0.5 ~ 4mm.
4. material according to claim 1, is characterized in that: the thickness of described base is 0.25 ~ 2mm.
5. material according to claim 1, is characterized in that: described closed pore macromolecular material is rubber, plastics or resin.
6. material according to claim 5, is characterized in that: described closed pore macromolecular material is silicon rubber, chloroprene rubber, chlorinatedpolyethylene or epoxy resin.
7. material according to claim 1, is characterized in that: described suction ripple powder is magnetic metallic powder or metal oxide powder.
8. material according to claim 7, is characterized in that: described magnetic metallic powder is iron powder, iron aluminum silicon powder or nickel powder.
9. material according to claim 7, is characterized in that: described metal oxide powder is ferric oxide or titanium oxide.
10. material according to claim 1, is characterized in that: described suction ripple powder accounts for 40 ~ 99% of ultrabroad band Terahertz absorbing material weight percent.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105348802A (en) * | 2015-11-26 | 2016-02-24 | 深圳唯创微波技术有限公司 | Flexible microwave absorption structure and preparation method therefor |
| CN106597129A (en) * | 2017-01-12 | 2017-04-26 | 深圳市通用测试***有限公司 | Microwave anechoic chamber |
| CN108084694A (en) * | 2016-11-21 | 2018-05-29 | 洛阳尖端技术研究院 | A kind of taper absorbing material and preparation method thereof |
| CN109796729A (en) * | 2019-02-21 | 2019-05-24 | 莫爱军 | A kind of nano combined absorbing material and preparation method thereof |
| CN109906028A (en) * | 2019-04-26 | 2019-06-18 | 南京大学 | A kind of wave absorbing patch and preparation method thereof |
| CN111123417A (en) * | 2020-01-13 | 2020-05-08 | 北京航空航天大学 | Terahertz wave stealth device with high efficiency and wide frequency band |
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| CN112280368A (en) * | 2020-11-23 | 2021-01-29 | 湖南衡义材料科技有限公司 | Environment-friendly ink for automobile glass and preparation method thereof |
| CN113185829A (en) * | 2021-06-03 | 2021-07-30 | 苏州星起源新材料科技有限公司 | Broadband terahertz wave-absorbing material and preparation method thereof |
| CN113219223A (en) * | 2021-03-15 | 2021-08-06 | 北京航空航天大学 | Totally-enclosed rectangular terahertz darkroom |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4942402A (en) * | 1987-10-27 | 1990-07-17 | Thorn Emi Electronics Limited | Radiation absorber and method of making it |
| US5260513A (en) * | 1992-05-06 | 1993-11-09 | University Of Massachusetts Lowell | Method for absorbing radiation |
| JP3495246B2 (en) * | 1998-02-17 | 2004-02-09 | 京セラ株式会社 | Electronic component storage package |
| CN202156067U (en) * | 2011-02-24 | 2012-03-07 | 南京南大波平电子信息有限公司 | Polyurethane foam wedge wave absorbing material |
| CN102977480A (en) * | 2012-12-07 | 2013-03-20 | 航天科工武汉磁电有限责任公司 | Method for preparing rubber base material flexible absorbing material |
| CN104070731A (en) * | 2014-06-26 | 2014-10-01 | 浙江大学 | Broadband high-performance manual terahertz wave-absorbing material and design method thereof |
| CN104341716A (en) * | 2013-08-02 | 2015-02-11 | 深圳光启创新技术有限公司 | Wave-absorbing material, wave-absorbing substrate and manufacturing method |
-
2015
- 2015-04-10 CN CN201510170726.4A patent/CN104774472A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4942402A (en) * | 1987-10-27 | 1990-07-17 | Thorn Emi Electronics Limited | Radiation absorber and method of making it |
| US5260513A (en) * | 1992-05-06 | 1993-11-09 | University Of Massachusetts Lowell | Method for absorbing radiation |
| JP3495246B2 (en) * | 1998-02-17 | 2004-02-09 | 京セラ株式会社 | Electronic component storage package |
| CN202156067U (en) * | 2011-02-24 | 2012-03-07 | 南京南大波平电子信息有限公司 | Polyurethane foam wedge wave absorbing material |
| CN102977480A (en) * | 2012-12-07 | 2013-03-20 | 航天科工武汉磁电有限责任公司 | Method for preparing rubber base material flexible absorbing material |
| CN104341716A (en) * | 2013-08-02 | 2015-02-11 | 深圳光启创新技术有限公司 | Wave-absorbing material, wave-absorbing substrate and manufacturing method |
| CN104070731A (en) * | 2014-06-26 | 2014-10-01 | 浙江大学 | Broadband high-performance manual terahertz wave-absorbing material and design method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 吕述平等: ""微波暗室用角锥吸波材料外形的设计和分析"", 《材料科学与工艺》 * |
| 邱桂花等: ""太赫兹雷达及其隐身技术"", 《火控雷达技术》 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105348802A (en) * | 2015-11-26 | 2016-02-24 | 深圳唯创微波技术有限公司 | Flexible microwave absorption structure and preparation method therefor |
| CN108084694A (en) * | 2016-11-21 | 2018-05-29 | 洛阳尖端技术研究院 | A kind of taper absorbing material and preparation method thereof |
| CN106597129A (en) * | 2017-01-12 | 2017-04-26 | 深圳市通用测试***有限公司 | Microwave anechoic chamber |
| CN106597129B (en) * | 2017-01-12 | 2024-02-02 | 深圳市通用测试***有限公司 | Microwave darkroom |
| CN109796729A (en) * | 2019-02-21 | 2019-05-24 | 莫爱军 | A kind of nano combined absorbing material and preparation method thereof |
| CN109906028A (en) * | 2019-04-26 | 2019-06-18 | 南京大学 | A kind of wave absorbing patch and preparation method thereof |
| CN111123417A (en) * | 2020-01-13 | 2020-05-08 | 北京航空航天大学 | Terahertz wave stealth device with high efficiency and wide frequency band |
| CN111969330A (en) * | 2020-07-31 | 2020-11-20 | 航天科工武汉磁电有限责任公司 | Radar wave-absorbing material with unit structure pattern and preparation method thereof |
| CN112280369A (en) * | 2020-11-23 | 2021-01-29 | 湖南衡义材料科技有限公司 | Environment-friendly printing ink for sound-proof glass and preparation method thereof |
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