EP1136259B1 - Applicator device for locally applying viscous or liquid materials in defined quantity - Google Patents

Applicator device for locally applying viscous or liquid materials in defined quantity Download PDF

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Publication number
EP1136259B1
EP1136259B1 EP01105517A EP01105517A EP1136259B1 EP 1136259 B1 EP1136259 B1 EP 1136259B1 EP 01105517 A EP01105517 A EP 01105517A EP 01105517 A EP01105517 A EP 01105517A EP 1136259 B1 EP1136259 B1 EP 1136259B1
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EP
European Patent Office
Prior art keywords
substrate
applicator
applicator device
liquid
materials
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.)
Expired - Lifetime
Application number
EP01105517A
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German (de)
French (fr)
Other versions
EP1136259A2 (en
EP1136259A3 (en
Inventor
Nicolae Dr. Bârsan
Stefan Dr. Raible
Udo Dr. Weimar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ADVANCED SENSING DEVICES GmbH
Original Assignee
Advanced Sensing Devices GmbH
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Filing date
Publication date
Application filed by Advanced Sensing Devices GmbH filed Critical Advanced Sensing Devices GmbH
Publication of EP1136259A2 publication Critical patent/EP1136259A2/en
Publication of EP1136259A3 publication Critical patent/EP1136259A3/en
Application granted granted Critical
Publication of EP1136259B1 publication Critical patent/EP1136259B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces

Definitions

  • Out DE-U1 91 09 683 is a Impfinate known for spreading a substance on a nutrient medium.
  • the invention has for its object to provide an applicator which avoids the above-mentioned disadvantages and which does not require contact with the substrate.
  • the invention achieves the stated object by means of an application device according to claim 1.
  • the application device according to the invention it is also possible in the future to apply coating material to very thin substrates without the substrate being damaged in the process. In the case of micromechanical membranes, for example, this currently represents a problem.
  • the applicator device according to the invention makes it possible to precisely place the coating and to apply it in any desired shapes. Furthermore, now a well-defined amount of coating material can be applied to the substrate.
  • the application tool can be designed accordingly.
  • the tools may have an elongate cross-sectional shape for applying line-like coatings. It is also possible to apply several layers of different material, wherein the application tool successively receives the various coating materials and then releases all the layers together onto the substrate.
  • this can be operated by machine and preferably computer controlled.
  • the present invention also relates to a method for the local application of viscous or liquid materials in a defined amount and shape with a device according to one of claims 1 or 2.
  • the invention includes a method of applying gas and / or liquid interacting materials to a gas or liquid sensor wherein the materials are applied with an applicator as claimed in any one of claims 1 or 2.
  • metal oxide pastes such as tin oxide, titanium oxide or indium oxide pastes or liquid polymers or solutions of polymers are suitable as materials interacting with gases or liquids.
  • gas-binding materials known to those skilled in the art are also usable depending on the application.
  • FIG. 1a shows an application tool 10 of an applicator not shown here.
  • the application tool 10 is formed as an annular loop.
  • the tool 10 is immersed in a reservoir with coating material 11. Due to the adhesion forces between the tool 10 and the Coating material 11, the coating material 11 remains on the tool 10 after pulling out of the tool 10 stick to the reservoir in a defined amount.
  • the tool 10 with the accommodated coating material 11 is moved over a substrate 12 and then onto the surface of the substrate 12 (FIG. 1b).
  • the coating material 11 is touched on the surface of the substrate 12, a precisely defined amount of the coating material 11 is released on the substrate 12. Either the entire amount of coating absorbed by the tool 10 can be dispensed onto the substrate, as shown in FIG.
  • the amount of coating material 11 picked up by the tool 10 can be left on the substrate 12. In this case, further layers can be applied to the substrate 12.
  • the amount of the coating material 11 discharged from the tool 10 to the substrate 12 depends on how much or how weak the amount of the coating material 11 contained in the tool 10 comes into contact with the surface of the substrate 12. Instead of coating material, a passivation material may also be applied.

Abstract

A coating device for localized application of a viscous or liquid material (11) in definite amounts has an uptake element (10) taking up the material (11) by a capillary and/or adhesion effect and depositing it on the substrate, again by a capillary and/or adhesion effect.

Description

Zum lokalen Auftragen viskoser oder flüssiger Materialien in definierter Menge sind bisher Screenprintingverfahren, Aufsprühen oder Aufschleudern bekannt. Das Screenprinting erfordert jedoch zum Auftragen von Beschichtungen eine Mindestdicke des Substrates, auf das die Beschichtung aufgebracht werden soll. Bei zu dünnen Substratdicken besteht sonst die Gefahr, dass das Substrat durch das Screenprinting beschädigt wird. Beim lokalen Auftragen viskoser oder flüssiger Materialien in definierter Menge durch Sprühen wird eine Schablone benötigt, um einen Auftrag mit bestimmter Kontur zu erzielen. Dadurch wird das Sprühen relativ aufwendig, zumal für jede neue Kontur eine neue Schablone angefertigt werden muss. Außerdem neigen aufgesprühte Schichten zu unerwünschten Rissen. Schleudern als Alternative zu den beiden anderen genannten Verfahren birgt den Nachteil in sich, dass es besonders beim Auftragen kleiner definierter Mengen schwierig ist, die gewünschte Auftragsmenge aufzubringen und diese zu strukturieren. Außerdem ist die gezielte Platzierung der Beschichtung auf dem Substrat mit einigem Aufwand verbunden.For local application of viscous or liquid materials in a defined amount Screenprintingverfahren, spraying or spin coating are known. Screenprinting, however, requires a minimum thickness of the substrate to which the coating is to be applied when applying coatings. If the thickness of the substrate is too thin, there is a risk that the substrate will be damaged by the screenprinting. Applying viscous or liquid materials in a defined amount by spraying locally requires a template to achieve a job with a specific contour. This makes the spraying relatively expensive, especially for each new contour, a new template must be made. In addition, sprayed layers tend to undesirable cracks. Spin as an alternative to the other two methods mentioned has the disadvantage that it is difficult, especially when applying small defined amounts, to apply the desired amount applied and to structure them. In addition, the targeted placement of the coating on the substrate is associated with some effort.

Aus DE-U1 91 09 683 ist eine Impföse zum Aufstreichen einer Substanz auf einen Nährboden bekannt.Out DE-U1 91 09 683 is a Impföse known for spreading a substance on a nutrient medium.

Die Erfindung hat die Aufgabe, eine Auftragevorrichtung zu schaffen, die die oben genannten Nachteile vermeidet und die keine Berührung mit dem Substrat erfordert.The invention has for its object to provide an applicator which avoids the above-mentioned disadvantages and which does not require contact with the substrate.

Die Erfindung Löst die gestellte Aufgabe durch eine Auftragevorrichtung gemäß Anspruch 1. Mit der erfindungsgemäßen Auftragevorrichtung kann zukünftig auch Beschichtungsmaterial auf sehr dünnen Substraten aufgebracht werden, ohne dass das Substrat dabei beschädigt wird. Bei mikromechanischen Membranen stellt dies beispielsweise derzeit ein Problem dar. Außerdem ermöglicht die erfindungsgemäße Auftragevorrichtung ein zielgenaues Platzieren der Beschichtung und einen Auftrag in beliebigen Formen. Ferner kann jetzt eine genau definierte Menge an Beschichtungsmaterial auf das Substrat appliziert werden.The invention achieves the stated object by means of an application device according to claim 1. With the application device according to the invention, it is also possible in the future to apply coating material to very thin substrates without the substrate being damaged in the process. In the case of micromechanical membranes, for example, this currently represents a problem. In addition, the applicator device according to the invention makes it possible to precisely place the coating and to apply it in any desired shapes. Furthermore, now a well-defined amount of coating material can be applied to the substrate.

Abhängig von der aufzutragenden Menge und der Kontur der Schicht kann das Auftragewerkzeug entsprechend ausgebildet sein. Die Werkzeuge können beispielsweise eine längliche Querschnittsform zum Auftragen linienförmiger Beschichtungen aufweisen. Es ist auch möglich, mehrere Schichten unterschiedlichen Materials aufzutragen, wobei das Auftragewerkzeug nacheinander die verschiedenen Beschichtungsmaterialien aufnimmt und anschließend alle Schichten gemeinsam auf das Substrat abgibt.Depending on the amount to be applied and the contour of the layer, the application tool can be designed accordingly. For example, the tools may have an elongate cross-sectional shape for applying line-like coatings. It is also possible to apply several layers of different material, wherein the application tool successively receives the various coating materials and then releases all the layers together onto the substrate.

Um den Auftrag der Beschichtung zu automatisieren, kann diese maschinell und vorzugsweise computergesteuert betätigt werden.To automate the application of the coating, this can be operated by machine and preferably computer controlled.

Die vorliegende Erfindung betrifft außerdem ein Verfahren zum lokalen Auftragen viskoser oder flüssiger Materialien in definierter Menge und Form mit einer Vorrichtung nach einem der Ansprüche 1 oder 2.The present invention also relates to a method for the local application of viscous or liquid materials in a defined amount and shape with a device according to one of claims 1 or 2.

Das Verfahren ist erfindungsgemäß durch die Merkmale von Anspruch 3 gekennzeichnet.The method is characterized according to the invention by the features of claim 3.

Zusätzlich umfasst die Erfindung ein Verfahren zum Aufbringen von mit Gasen und/oder Flüssigkeiten in Wechselwirkung tretenden Materialien auf einen Gas- oder Flüssigkeitssensor, bei dem die Materialien mit einer Auftragevorrichtung nach einem der Ansprüche 1 oder 2 aufgebracht werden.Additionally, the invention includes a method of applying gas and / or liquid interacting materials to a gas or liquid sensor wherein the materials are applied with an applicator as claimed in any one of claims 1 or 2.

Als mit Gasen oder Flüssigkeiten wechselwirkende Materialien sind - abhängig von verwendeten Sensor - Metalloxidpasten wie Zinnoxid-, Titanoxid- oder Indiumoxidpasten oder flüssige Polymere oder Lösungen von Polymeren geeignet. Es sind jedoch auch weitere gasbindende, dem Fachmann bekannte Materialien je nach Anwendung verwendbar.Depending on the sensor used, metal oxide pastes such as tin oxide, titanium oxide or indium oxide pastes or liquid polymers or solutions of polymers are suitable as materials interacting with gases or liquids. However, other gas-binding materials known to those skilled in the art are also usable depending on the application.

Nachfolgend wird ein Ausführungsbeispiel einer erfindungsgemäßen Auftragevorrichtung anhand der beiliegenden Zeichnung näher erläutert.Hereinafter, an embodiment of an applicator according to the invention will be explained in more detail with reference to the accompanying drawings.

Fig. 1a zeigt ein Auftragewerkzeug 10 einer hier nicht näher dargestellten Auftragevorrichtung. Das Auftragewerkzeug 10 ist als eine ringförmige Schlaufe ausgebildet. Zur Aufnahme von Beschichtungsmaterial 11 wird das Werkzeug 10 in einen Vorratsbehälter mit Beschichtungsmaterial 11 eingetaucht. Aufgrund der Adhäsionskräfte zwischen dem Werkzeug 10 und dem Beschichtungsmaterial 11 bleibt das Beschichtungsmaterial 11 an dem Werkzeug 10 nach dem Herausziehen des Werkzeuges 10 aus dem Vorratsbehälter in definierter Menge haften. Anschließend wird das Werkzeug 10 mit dem aufgenommenen Beschichtungsmaterial 11 über ein Substrat 12 und anschließend auf die Oberfläche des Substrates 12 zubewegt (Fig. 1b). Bei der Berührung des Beschichtungsmaterials 11 auf der Oberfläche des Substrates 12 wird eine genau definierte Menge des Beschichtungsmaterials 11 auf dem Substrat 12 abgegeben. Es kann entweder die gesamte vom Werkzeug 10 aufgenommene Beschichtungsmenge auf dem Substrat abgegeben werden, wie in Fig. 1b dargestellt, oder auch nur ein Teil der vom Werkzeug 10 aufgenommenen Menge des Beschichtungsmaterials 11 auf dem Substrat 12 hinterlassen werden. In diesem Fall können noch weitere Schichten auf dem Substrat 12 appliziert werden. Die von dem Werkzeug 10 an das Substrat 12 abgegebene Menge des Beschichtungsmaterials 11 hängt davon ab, wie stark oder wie schwach die in dem Werkzeug 10 enthaltene Menge des Beschichtungsmaterials 11 mit der Oberfläche des Substrates 12 in Berührung kommt. Anstelle von Beschichtungsmaterial kann auch ein Passivierungsmaterial aufgebracht werden.1a shows an application tool 10 of an applicator not shown here. The application tool 10 is formed as an annular loop. For receiving coating material 11, the tool 10 is immersed in a reservoir with coating material 11. Due to the adhesion forces between the tool 10 and the Coating material 11, the coating material 11 remains on the tool 10 after pulling out of the tool 10 stick to the reservoir in a defined amount. Subsequently, the tool 10 with the accommodated coating material 11 is moved over a substrate 12 and then onto the surface of the substrate 12 (FIG. 1b). When the coating material 11 is touched on the surface of the substrate 12, a precisely defined amount of the coating material 11 is released on the substrate 12. Either the entire amount of coating absorbed by the tool 10 can be dispensed onto the substrate, as shown in FIG. 1b, or only a portion of the amount of coating material 11 picked up by the tool 10 can be left on the substrate 12. In this case, further layers can be applied to the substrate 12. The amount of the coating material 11 discharged from the tool 10 to the substrate 12 depends on how much or how weak the amount of the coating material 11 contained in the tool 10 comes into contact with the surface of the substrate 12. Instead of coating material, a passivation material may also be applied.

Claims (5)

  1. Applicator device for locally applying viscous or liquid materials (11) in defined quantity and shape, comprising an applicator tool (10), the applicator tool (10) being configured as at least one loop such that it takes up the material (11) to be applied by means of a capillary and/or adhesion effect and deposits the material (11) on the surface to be coated by adhesion and/or capillary effect, characterised in that the applicator tool (10) is configured as an annular loop which is arranged at right angles to a stem and can be oriented parallel to a substrate (12) for application of the coating material to the substrate (12).
  2. Applicator device according to Claim 1, characterised in that it can be operated in a mechanical and preferably computer-controlled manner.
  3. Method for locally applying viscous or liquid materials (11) in defined quantity and shape with a device according to either of claims 1 and 2, the material (11) being taken up by the applicator device by a capillary and/or adhesion effect and then being brought into contact by the applicator device with a substrate (12) at a definite location and being deposited thereon by adhesion and/or capillary effect, characterised in that the applicator tool (10) is configured as an annular loop which is arranged at right angles to a stem and is oriented parallel to a substrate (12) for application of the coating material to the substrate.
  4. Method for applying materials (11) interactive with gases and/or liquids to a gas or liquid sensor, characterised in that the material (11) interactive with the gas or the liquid is applied using an applicator device according to either of claims 1 and 2.
  5. Method according to Claim 4, characterised in that tin oxide, titanium oxide or indium oxide paste or liquid polymers or solutions of polymers are used as materials
EP01105517A 2000-03-24 2001-03-06 Applicator device for locally applying viscous or liquid materials in defined quantity Expired - Lifetime EP1136259B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10014869A DE10014869A1 (en) 2000-03-24 2000-03-24 Application device for local application of viscous or liquid materials in a defined quantity
DE10014869 2000-03-24

Publications (3)

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EP1136259A2 EP1136259A2 (en) 2001-09-26
EP1136259A3 EP1136259A3 (en) 2003-11-05
EP1136259B1 true EP1136259B1 (en) 2007-10-31

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EP01105517A Expired - Lifetime EP1136259B1 (en) 2000-03-24 2001-03-06 Applicator device for locally applying viscous or liquid materials in defined quantity

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AT (1) ATE376931T1 (en)
DE (2) DE10014869A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1702697A1 (en) * 2005-03-15 2006-09-20 BAE Systems PLC Over-sealing

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2643801A (en) * 1948-12-22 1953-06-30 Herman R Kollmeyer Watch oiler
US4133918A (en) * 1977-05-16 1979-01-09 The Computervision Corporation Method of marking semiconductors
DE8326903U1 (en) * 1983-09-19 1984-02-02 Audax Dental AG, 4010 Basel DEVICE FOR APPLYING A LIQUID
DE3345596A1 (en) * 1983-12-16 1985-06-27 Preh, Industrieausrüstungen GmbH, 8740 Bad Neustadt AUTOMATIC APPLICATION DEVICE FOR A LIQUID OR PASTOUS COATING MATERIAL
DE3408903A1 (en) * 1984-03-10 1985-09-19 A.W. Faber-Castell Unternehmensverwaltung GmbH & Co, 8504 Stein COSMETIC APPLICATION DEVICE
DE9109683U1 (en) * 1991-08-03 1991-10-02 Barkey, Volker, 4800 Bielefeld, De
DE4139141A1 (en) * 1991-11-28 1993-06-03 Innova Tec Gmbh Berlin Entwick Writing tool for broad application of writing fluid - has wedge shaped point with wedge surfaces and writing edge formed by wedge vertex
DE19732680C2 (en) * 1997-06-27 2001-05-17 Siemens Ag Method for adjusting a stamp for the simultaneous wetting of several electrical contact surfaces of a component with a liquid

Also Published As

Publication number Publication date
EP1136259A2 (en) 2001-09-26
DE50113180D1 (en) 2007-12-13
EP1136259A3 (en) 2003-11-05
DE10014869A1 (en) 2001-09-27
ATE376931T1 (en) 2007-11-15

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