ZA200108729B - Method and apparatus for producing uniform small portions of fine powders and articles thereof. - Google Patents
Method and apparatus for producing uniform small portions of fine powders and articles thereof. Download PDFInfo
- Publication number
- ZA200108729B ZA200108729B ZA200108729A ZA200108729A ZA200108729B ZA 200108729 B ZA200108729 B ZA 200108729B ZA 200108729 A ZA200108729 A ZA 200108729A ZA 200108729 A ZA200108729 A ZA 200108729A ZA 200108729 B ZA200108729 B ZA 200108729B
- Authority
- ZA
- South Africa
- Prior art keywords
- particles
- aerosol
- deposition
- substrate
- charged
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 84
- 239000000843 powder Substances 0.000 title claims description 48
- 239000002245 particle Substances 0.000 claims description 152
- 238000000151 deposition Methods 0.000 claims description 116
- 230000008021 deposition Effects 0.000 claims description 106
- 239000000443 aerosol Substances 0.000 claims description 83
- 239000000758 substrate Substances 0.000 claims description 64
- 230000005684 electric field Effects 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical group N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 239000003814 drug Substances 0.000 claims description 5
- 239000012867 bioactive agent Substances 0.000 claims description 4
- 239000002775 capsule Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 2
- 239000003937 drug carrier Substances 0.000 claims description 2
- 230000005865 ionizing radiation Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 5
- 239000011236 particulate material Substances 0.000 claims 2
- 239000012777 electrically insulating material Substances 0.000 claims 1
- 230000006698 induction Effects 0.000 claims 1
- 230000010355 oscillation Effects 0.000 claims 1
- 150000002500 ions Chemical class 0.000 description 43
- 239000011521 glass Substances 0.000 description 9
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 7
- 238000004924 electrostatic deposition Methods 0.000 description 6
- 241000552429 Delphax Species 0.000 description 4
- 238000013459 approach Methods 0.000 description 4
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000005686 electrostatic field Effects 0.000 description 3
- 239000008101 lactose Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 108091008695 photoreceptors Proteins 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- NDAUXUAQIAJITI-UHFFFAOYSA-N albuterol Chemical compound CC(C)(C)NCC(O)C1=CC=C(O)C(CO)=C1 NDAUXUAQIAJITI-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000000975 bioactive effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000019219 chocolate Nutrition 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000001415 gene therapy Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- DNNSSWSSYDEUBZ-OUBTZVSYSA-N krypton-85 Chemical compound [85Kr] DNNSSWSSYDEUBZ-OUBTZVSYSA-N 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 239000006187 pill Substances 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 238000012383 pulmonary drug delivery Methods 0.000 description 1
- 239000005297 pyrex Substances 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229960002052 salbutamol Drugs 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
- B05D1/06—Applying particulate materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/007—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means the high voltage supplied to an electrostatic spraying apparatus during spraying operation being periodical or in time, e.g. sinusoidal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/007—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means the high voltage supplied to an electrostatic spraying apparatus during spraying operation being periodical or in time, e.g. sinusoidal
- B05B5/008—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means the high voltage supplied to an electrostatic spraying apparatus during spraying operation being periodical or in time, e.g. sinusoidal with periodical change of polarity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/08—Plant for applying liquids or other fluent materials to objects
- B05B5/087—Arrangements of electrodes, e.g. of charging, shielding, collecting electrodes
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
- Electrostatic Spraying Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/299,388 US6923979B2 (en) | 1999-04-27 | 1999-04-27 | Method for depositing particles onto a substrate using an alternating electric field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200108729B true ZA200108729B (en) | 2002-11-25 |
Family
ID=23154572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200108729A ZA200108729B (en) | 1999-04-27 | 2001-10-23 | Method and apparatus for producing uniform small portions of fine powders and articles thereof. |
Country Status (10)
| Country | Link |
|---|---|
| US (4) | US6923979B2 (no) |
| EP (1) | EP1173287A1 (no) |
| JP (1) | JP2002542032A (no) |
| AU (1) | AU4488100A (no) |
| CA (1) | CA2371303A1 (no) |
| IL (1) | IL146118A0 (no) |
| MX (1) | MXPA01010836A (no) |
| NO (1) | NO20015239L (no) |
| WO (1) | WO2000064592A1 (no) |
| ZA (1) | ZA200108729B (no) |
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-
1999
- 1999-04-27 US US09/299,388 patent/US6923979B2/en not_active Expired - Lifetime
-
2000
- 2000-04-25 WO PCT/US2000/011043 patent/WO2000064592A1/en not_active Application Discontinuation
- 2000-04-25 JP JP2000613576A patent/JP2002542032A/ja not_active Withdrawn
- 2000-04-25 MX MXPA01010836A patent/MXPA01010836A/es unknown
- 2000-04-25 AU AU44881/00A patent/AU4488100A/en not_active Abandoned
- 2000-04-25 EP EP00926335A patent/EP1173287A1/en not_active Withdrawn
- 2000-04-25 CA CA002371303A patent/CA2371303A1/en not_active Abandoned
- 2000-04-25 IL IL14611800A patent/IL146118A0/xx unknown
-
2001
- 2001-10-23 ZA ZA200108729A patent/ZA200108729B/en unknown
- 2001-10-26 NO NO20015239A patent/NO20015239L/no not_active Application Discontinuation
-
2005
- 2005-03-16 US US11/081,909 patent/US20050158366A1/en not_active Abandoned
-
2007
- 2007-07-19 US US11/780,433 patent/US7632533B2/en not_active Expired - Fee Related
-
2009
- 2009-10-21 US US12/582,999 patent/US20100037818A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US20050158366A1 (en) | 2005-07-21 |
| JP2002542032A (ja) | 2002-12-10 |
| MXPA01010836A (es) | 2003-07-14 |
| EP1173287A1 (en) | 2002-01-23 |
| US20080014365A1 (en) | 2008-01-17 |
| US20100037818A1 (en) | 2010-02-18 |
| NO20015239D0 (no) | 2001-10-26 |
| AU4488100A (en) | 2000-11-10 |
| US7632533B2 (en) | 2009-12-15 |
| NO20015239L (no) | 2001-12-18 |
| CA2371303A1 (en) | 2000-11-02 |
| US20020085977A1 (en) | 2002-07-04 |
| IL146118A0 (en) | 2002-07-25 |
| US6923979B2 (en) | 2005-08-02 |
| WO2000064592A1 (en) | 2000-11-02 |
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