DE1472068B1 - Infrarotdurchlaessiger filter - Google Patents
Infrarotdurchlaessiger filterInfo
- Publication number
- DE1472068B1 DE1472068B1 DE1965B0080460 DEB0080460A DE1472068B1 DE 1472068 B1 DE1472068 B1 DE 1472068B1 DE 1965B0080460 DE1965B0080460 DE 1965B0080460 DE B0080460 A DEB0080460 A DE B0080460A DE 1472068 B1 DE1472068 B1 DE 1472068B1
- Authority
- DE
- Germany
- Prior art keywords
- filter
- filter according
- mgo
- absorbent material
- approximately
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 claims description 63
- 238000010521 absorption reaction Methods 0.000 claims description 52
- -1 polyethylene Polymers 0.000 claims description 48
- 239000004698 Polyethylene Substances 0.000 claims description 43
- 229920000573 polyethylene Polymers 0.000 claims description 43
- 239000000843 powder Substances 0.000 claims description 29
- 230000002745 absorbent Effects 0.000 claims description 23
- 239000002250 absorbent Substances 0.000 claims description 23
- 230000003287 optical effect Effects 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 14
- 239000011148 porous material Substances 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 13
- 229910016036 BaF 2 Inorganic materials 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 11
- 239000002480 mineral oil Substances 0.000 claims description 10
- 235000010446 mineral oil Nutrition 0.000 claims description 10
- LYQFWZFBNBDLEO-UHFFFAOYSA-M caesium bromide Chemical compound [Br-].[Cs+] LYQFWZFBNBDLEO-UHFFFAOYSA-M 0.000 claims description 8
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 6
- 238000002386 leaching Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000011358 absorbing material Substances 0.000 claims description 4
- 239000012876 carrier material Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 239000008240 homogeneous mixture Substances 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 239000012780 transparent material Substances 0.000 claims 1
- 230000005855 radiation Effects 0.000 description 22
- 230000035699 permeability Effects 0.000 description 13
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 12
- 239000002245 particle Substances 0.000 description 10
- 238000009826 distribution Methods 0.000 description 7
- 239000003921 oil Substances 0.000 description 6
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000009827 uniform distribution Methods 0.000 description 4
- 238000000149 argon plasma sintering Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 229920003347 Microthene® Polymers 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000011812 mixed powder Substances 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 230000000754 repressing effect Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/206—Filters comprising particles embedded in a solid matrix
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US34844464A | 1964-03-02 | 1964-03-02 | |
| US34838764A | 1964-03-02 | 1964-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1472068B1 true DE1472068B1 (de) | 1971-06-09 |
Family
ID=26995687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1965B0080460 Pending DE1472068B1 (de) | 1964-03-02 | 1965-02-10 | Infrarotdurchlaessiger filter |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE660511A (en, 2012) |
| CH (1) | CH479078A (en, 2012) |
| DE (1) | DE1472068B1 (en, 2012) |
| FR (1) | FR1433628A (en, 2012) |
| GB (1) | GB1104138A (en, 2012) |
| NL (1) | NL6502593A (en, 2012) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8828652D0 (en) * | 1988-12-08 | 1990-04-25 | British Aerospace | Multiple waveband ir and rf windows |
-
1965
- 1965-02-10 DE DE1965B0080460 patent/DE1472068B1/de active Pending
- 1965-02-23 GB GB769565A patent/GB1104138A/en not_active Expired
- 1965-02-25 CH CH254865A patent/CH479078A/de not_active IP Right Cessation
- 1965-03-01 FR FR7420A patent/FR1433628A/fr not_active Expired
- 1965-03-02 BE BE660511D patent/BE660511A/xx unknown
- 1965-03-02 NL NL6502593A patent/NL6502593A/xx unknown
Non-Patent Citations (1)
| Title |
|---|
| None * |
Also Published As
| Publication number | Publication date |
|---|---|
| BE660511A (en, 2012) | 1965-09-02 |
| FR1433628A (fr) | 1966-04-01 |
| GB1104138A (en) | 1968-02-21 |
| CH479078A (de) | 1969-09-30 |
| NL6502593A (en, 2012) | 1965-09-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |