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1. WO1992015408 - SPECIFIC MICROSIEVE, SPECIFIC COMPOSITE BODY

Publication Number WO/1992/015408
Publication Date 17.09.1992
International Application No. PCT/CH1992/000035
International Filing Date 21.02.1992
IPC
B01D 39/16 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
39Filtering material for liquid or gaseous fluids
14Other self-supporting filtering material
16of organic material, e.g. synthetic fibres
B01D 67/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
67Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
B01D 69/12 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
69Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
12Composite membranes; Ultra-thin membranes
B07B 1/46 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
07SEPARATING SOLIDS FROM SOLIDS; SORTING
BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, OR SIFTING OR BY USING GAS CURRENTS; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
1Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
46Constructional details of screens in general; Cleaning or heating of screens
B81B 1/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
81MICROSTRUCTURAL TECHNOLOGY
BMICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
1Devices without movable or flexible elements, e.g. microcapillary devices
G02B 6/122 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
10of the optical waveguide type
12of the integrated circuit kind
122Basic optical elements, e.g. light-guiding paths
CPC
B01D 2323/345
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2323Details relating to membrane preparation
34Use of radiation
345UV-treatment
B01D 39/1692
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
39Filtering material for liquid or gaseous fluids
14Other self-supporting filtering material ; ; Other filtering material
16of organic material, e.g. synthetic fibres
1692Other shaped material, e.g. perforated or porous sheets
B01D 67/0034
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
67Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
0002Organic membrane formation
0023by inducing porosity into non porous precursor membranes
0032by elimination of segments of the precurdor, e.g. nucleation-track membranes, lithography or laser methods
0034by micromachining techniques, e.g. using masking and etching steps, photolithography
B01D 69/12
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
69Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
12Composite membranes; Ultra-thin membranes
B07B 1/4618
BPERFORMING OPERATIONS; TRANSPORTING
07SEPARATING SOLIDS FROM SOLIDS; SORTING
BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
1Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
46Constructional details of screens in general; Cleaning or heating of screens
4609constructional details of screening surfaces or meshes
4618Manufacturing of screening surfaces
B07B 1/4663
BPERFORMING OPERATIONS; TRANSPORTING
07SEPARATING SOLIDS FROM SOLIDS; SORTING
BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
1Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
46Constructional details of screens in general; Cleaning or heating of screens
4609constructional details of screening surfaces or meshes
4663Multi-layer screening surfaces
Applicants
  • DYCONEX PATENTE AG HEINZE & CO [CH]/[CH] (AllExceptUS)
  • SCHMIDT, Walter [CH]/[CH] (UsOnly)
  • MARTINELLI, Marco [IT]/[CH] (UsOnly)
  • FREI, Alexandra [CH]/[CH] (UsOnly)
Inventors
  • SCHMIDT, Walter
  • MARTINELLI, Marco
  • FREI, Alexandra
Agents
  • FREI PATENTANWALTSBÜRO
Priority Data
0477/92-618.02.1992CH
0612/91-128.02.1991CH
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) DETERMINIERTES MIKROSIEB, DETERMINIERTER VERBUNDKÖRPER
(EN) SPECIFIC MICROSIEVE, SPECIFIC COMPOSITE BODY
(FR) MICROTAMIS DETERMINE, CORPS COMPOSITE DETERMINE
Abstract
(DE)
Ein determiniertes Mikrosieb mit einer grossen Vielzahl exakt angeordneter Durchgänge beliebiger Form wird wie folgt hergestellt. Eine Kunststoffolie (1) ist mit einer Schicht aus ätzresistentem Material (2, 2') geschichtet. In diese Schicht (2, 2') werden Ausnehmungen (4, 4') an Stellen geätzt, an denen Durchgänge entstehen sollen und in einem weiteren Verfahrensschritt erfolgt die Herstellung der Durchgänge (5) mit Hilfe eines Plasmaätzverfahrens. Zusätzlich werden Kondukte (K, L) in die Beschichtigung (2, 2') eingebracht; entweder in Form von Kanälen (K) oder in Form von Festkörperbahnen (L). Mehrere Mikrosiebe (S1, S2) werden zu einem determinierten Verbundkörper geschichtet. Die Schichtung ist auf die kondukte (5, K, L) zur Vernetzung von Kondukten in x-, y- und z-Richtung abgestimmt. Beispiele: Diaphragma zur Durchleitung von Fluiden, Multilayer zur Durchleitung von Elektrizität, vernetztes Mikrolichtleitersystem.
(EN)
In order to produce a specific microsieve having a large number of precisely arranged passages of whatever form, a plastic foil (1) is coated with a layer of etch-resistant material (2, 2'). Recesses (4, 4') are etched in this layer (2, 2') at the locations where passages are to be formed. In a further process step, the passages (5) are produced by a plasma etching process. In addition, ducts (K, L) are inserted into the coating layer (2, 2') either as channels (K) or as solid paths. Several microsieves (S1, S2) are superimposed to form a specific composite body, oriented in such a way that the ducts (5, K, L) are cross-linked in the x, y and z directions. Examples of applications are fluid-conducting diaphragms, electroconductive multilayers and cross-linked light-guide microsystems.
(FR)
Afin de produire un microtamis déterminé ayant un grand nombre de passages de n'importe quelle forme voulue agencés de manière précise, on recouvre une feuille mince (2) en matière plastique d'une couche de matériau (2, 2') résistant à la morsure. On forme ensuite, par attaque, des évidements (4, 4') dans ladite couche (2, 2'), aux endroits où les passages doivent être formés. Pendant une autre étape du procédé, les passages (5) sont produits par un procédé d'attaque au plasma. En outre, on introduit des conduits (K, L) dans la couche de couverture (2, 2'), que ce soit sous forme de canaux (K) ou sous forme de pistes solides (L). On superpose plusieurs microtamis (S1, S2) afin de former un corps composite déterminé. Les couches superposées sont orientées en fonction des conduits (5, K, L), de sorte que ceux-ci soient réticulés dans les directions x, y et z. Des exemples d'application sont des diaphragmes de conduite de fluides, des multicouches conductrices d'électricité, des microsystèmes réticulés de guides d'ondes lumineuses.
Also published as
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