DE102009029769B4 - Method for producing an electronic component with a media-tight plastic housing - Google Patents
Method for producing an electronic component with a media-tight plastic housing Download PDFInfo
- Publication number
- DE102009029769B4 DE102009029769B4 DE102009029769A DE102009029769A DE102009029769B4 DE 102009029769 B4 DE102009029769 B4 DE 102009029769B4 DE 102009029769 A DE102009029769 A DE 102009029769A DE 102009029769 A DE102009029769 A DE 102009029769A DE 102009029769 B4 DE102009029769 B4 DE 102009029769B4
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- DE
- Germany
- Prior art keywords
- housing part
- plastic
- electronic component
- media
- ions
- 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 - Fee Related
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 150000002500 ions Chemical class 0.000 claims abstract description 23
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000004132 cross linking Methods 0.000 abstract description 12
- 238000001746 injection moulding Methods 0.000 abstract description 5
- 230000005855 radiation Effects 0.000 description 14
- 238000000151 deposition Methods 0.000 description 6
- 230000006855 networking Effects 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008021 deposition Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000003502 gasoline Substances 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 241000903210 Bryconamericus alpha Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- -1 hydrogen ions Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/245—Housings for sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14639—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1671—Making multilayered or multicoloured articles with an insert
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
- B29C2045/0075—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping curing or polymerising by irradiation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/02—Containers; Seals
- H01L23/04—Containers; Seals characterised by the shape of the container or parts, e.g. caps, walls
- H01L23/053—Containers; Seals characterised by the shape of the container or parts, e.g. caps, walls the container being a hollow construction and having an insulating or insulated base as a mounting for the semiconductor body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/14618—Containers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Abstract
Verfahren zur Herstellung eines elektronischen Bauteils mit einem ersten Gehäuseteil (2) aus Kunststoff und einem zweiten Gehäuseteil (3) aus Kunststoff und einem von dem ersten Gehäuseteil (2) und dem zweiten Gehäuseteil (3) mediendicht eingeschlossenen elektronischen Bauelement mit den Schritten: – Herstellung des ersten Gehäuseteils (2) aus Kunststoff; – Anspritzen des zweiten Gehäuseteils (3) aus Kunststoff an das erste Gehäuseteils (2); – Bestrahlung einer Grenzfläche zwischen dem ersten Gehäuseteil (2) und dem zweiten Gehäuseteil (3) und Erzeugung einer Vernetzung (9) der Kunststoffmoleküle (12) des ersten Gehäuseteiles (2) mit denen des zweiten Gehäuseteiles (3) mittels hochenergetischer Ionen.Method for producing an electronic component with a first housing part (2) made of plastic and a second housing part (3) made of plastic and an electronic component enclosed by the first housing part (2) and the second housing part (3), with the steps: - Production the first housing part (2) made of plastic; - Injection molding of the second housing part (3) made of plastic onto the first housing part (2); - Irradiation of an interface between the first housing part (2) and the second housing part (3) and generation of a crosslinking (9) of the plastic molecules (12) of the first housing part (2) with those of the second housing part (3) by means of high-energy ions.
Description
Die Erfindung betrifft ein Verfahren zur Herstellung eines elektronischen Bauteils mit einem ersten Gehäuseteil aus Kunststoff und einem zweiten Gehäuseteil aus Kunststoff. Ein elektronisches Bauelement ist von dem ersten Gehäuseteil und dem zweiten Gehäuseteil mediendicht eingeschlossenen, wobei das zweite Gehäuseteil durch Spritzgießen an das erste Gehäuseteil angefügt ist. Die Erfindung betrifft gehäuste elektronische Bauteile im Allgemeinen und im Besonderen Sensoren, z. B. für die Kraftfahrzeuge.The invention relates to a method for producing an electronic component with a first housing part made of plastic and a second housing part made of plastic. An electronic component is sealed medium-tightly by the first housing part and the second housing part, wherein the second housing part is attached by injection molding to the first housing part. The invention relates generally to packaged electronic components, and more particularly to sensors, e.g. B. for the motor vehicles.
Gerade Sensoren für Kraftfahrzeuge sind extremen Umwelteinflüssen ausgesetzt und sie müssen über einen langen Zeitraum zuverlässig arbeiten, wobei die Herstellung solcher Sensoren möglichst kostengünstig erfolgen soll.Especially sensors for motor vehicles are exposed to extreme environmental influences and they must work reliably over a long period of time, the production of such sensors should be as cost-effective as possible.
Es ist bekannt, Sensorgehäuse im Spritzgießverfahren herzustellen. Die
Nachteilig bei dem Sensor nachdem Stand der Technik ist die Verbindungsstelle zwischen dem Trägerelement und dem Hüllkörper. Diese Verbindungsstelle ist eine Schwachstelle, die im Laufe des Einsatzes des Sensors von Umwelteinflüssen wie z. B. Spritzwasser, Salz, Gasen, wechselnden Temperaturen, Öl oder Benzin besonders angegriffen wird. Dringen derartige Medien in den Sensor ein, so führt dies oft zum vorzeitigen Ausfall des Sensors.A disadvantage of the prior art sensor is the connection point between the carrier element and the enveloping body. This junction is a vulnerability, which in the course of the use of the sensor of environmental influences such. As splash water, salt, gases, changing temperatures, oil or gasoline is particularly vulnerable. If such media penetrate into the sensor, this often leads to premature failure of the sensor.
Aus der
Aus der
Es ist die Aufgabe dieser Erfindung, ein elektronisches Bauteil mit einem ersten Gehäuseteil aus Kunststoff und einem zweiten Gehäuseteil aus Kunststoff anzugeben, das kostengünstig herstellbar sowie langlebig und robust gegen Umwelteinflüsse ist.It is the object of this invention to provide an electronic component with a first housing part made of plastic and a second housing part made of plastic, which is inexpensive to manufacture and durable and robust against environmental influences.
Diese Aufgabe wird durch ein Verfahren zur Herstellung eines elektronischen Bauteils nach Anspruch 1 gelöst.This object is achieved by a method for producing an electronic component according to claim 1.
Dadurch, dass eine durch eine Bestrahlung mit hochenergetischen Ionen hervorgerufene Vernetzung der Kunststoffmoleküle des ersten Gehäuseteiles mit denen des zweiten Gehäuseteiles in einem Bereich der Grenzfläche zwischen dem ersten Gehäuseteil und dem zweiten Gehäuseteil ausgebildet ist, wird eine höchstmögliche Mediendichtheit des elektronischen Bauteils erreicht. Das elektronische Bauteil wird dadurch sehr langlebig und kann über seine gesamte Lebensdauer fehlerfrei arbeiten. Zudem ist eine zielgenaue Vornetzung der Kunstoffmoleküle möglich.The fact that a caused by an irradiation with high-energy ions networking of the plastic molecules of the first housing part is formed with those of the second housing part in a region of the interface between the first housing part and the second housing part, a maximum media density of the electronic component is achieved. The electronic component is thus very durable and can work error-free over its entire life. In addition, a targeted pre-wetting of the plastic molecules is possible.
Wenn das erste Gehäuseteil und das zweite Gehäuseteil aus mindestens einem Polymer gebildet sind, gelingt eine besonders gute und stabile Vernetzung der Kunststoffmoleküle des ersten Gehäuseteiles mit denen des zweiten Gehäuseteiles in einem Bereich der Grenzfläche zwischen dem ersten Gehäuseteil und dem zweiten Gehäuseteil.If the first housing part and the second housing part are formed from at least one polymer, a particularly good and stable cross-linking of the plastic molecules of the first housing part succeeds with those of the second housing part in a region of the interface between the first housing part and the second housing part.
Auch wenn der Kunststoff von zumindest einem der beiden Gehäuseteile Vernetzungshilfen enthält, gelingt die Vernetzung der Kunststoffmoleküle des ersten Gehäuseteiles mit denen des zweiten Gehäuseteiles besonders gut.Even if the plastic of at least one of the two housing parts contains crosslinking aids, the networking of the plastic molecules of the first housing part with those of the second housing part succeeds particularly well.
Wenn an dem ersten Gehäuseteil mindestens eine Schmelzrippe ausgebildet ist, wird das Anspritzen des zweiten Gehäuseteils besonders einfach, und es wird ein weiterer Beitrag zu einer langzeitbeständigen Abdichtung des elektronischen Bauteils geleistet.If at least one melting rib is formed on the first housing part, the injection-molding of the second housing part becomes particularly simple, and a further contribution to a long-term-resistant sealing of the electronic component is made.
Besonders vorteilhaft ist es, wenn das elektronische Bauteil als Sensor und das elektronische Bauelement als Sensorelement ausgebildet ist. Gerade an Sensoren in der Kraftfahrzeugtechnik werden besondere Anforderungen im Bezug auf die Mediendichtheit, Langlebigkeit und Zuverlässigkeit gestellt.It is particularly advantageous if the electronic component is designed as a sensor and the electronic component as a sensor element. Especially in sensors in automotive engineering special requirements are made in terms of media density, durability and reliability.
Im Folgenden wird die vorliegende Erfindung unter Bezugnahme auf die begleitende Zeichnung anhand einer bevorzugten Ausführungsform erläutert. Diese Ausführungsform umfasst einen Sensor für den Einsatz in einem Kraftfahrzeug. Es zeigen:In the following, the present invention will be explained with reference to the accompanying drawings with reference to a preferred embodiment. This embodiment comprises a sensor for use in a motor vehicle. Show it:
Das Sensorelement
Nach dem Stand der Technik werden solche Sensoren in der Regel mit zwei Gehäuseteilen ausgebildet, wobei das erste Gehäuseteil
Um einen mediendichten Abschluss zwischen dem ersten Gehäuseteil
Bei einem Ausschnitt des Sensors
Zu erkennen sind wiederum die am ersten Gehäuseteil
In
In
Diese Eigenschaft der Ionen führt dazu, dass die bestrahlte Materie im Eintrittskanal fast überhaupt nicht geschädigt wird und in der gewünschten Tiefe im Material eine massive Schädigung der Moleküle auftritt, wodurch sich eine Vielzahl neuer Brücken zwischen den Molekülen
Alle hochenergetischen Ionen weisen prinzipiell das hier gezeigte Verhalten auf. Selbst schnelle Wasserstoffionen weisen dieses Verhalten auf. Besonders ausgeprägt ist das gezeigte Verhalten jedoch bei schweren hochenergetischen Ionen. Alpha-Strahlen sind auch hochenergetische Ionen, da es sich hier um schnelle, zweifach positiv geladene Heliumkerne handelt. Alpha-Quellen mit einer vorher festgelegten und von der bis zur Grenzschicht zwischen dem ersten und dem zweiten Gehäuseteil zu durchstrahlenden Materie abhängigen Energie eignen sich besonders gut für die Strahlenvernetzung der Gehäuseteile.All high-energy ions have in principle the behavior shown here. Even fast hydrogen ions exhibit this behavior. However, the behavior shown is particularly pronounced for heavy high-energy ions. Alpha rays are also high-energy ions because they are fast helium nuclei that are positively charged twice. Alpha sources with a predetermined energy dependent on the material to be transmitted through the boundary layer between the first and the second housing part are particularly well suited for radiation crosslinking of the housing parts.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009029769A DE102009029769B4 (en) | 2009-06-18 | 2009-06-18 | Method for producing an electronic component with a media-tight plastic housing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009029769A DE102009029769B4 (en) | 2009-06-18 | 2009-06-18 | Method for producing an electronic component with a media-tight plastic housing |
Publications (2)
Publication Number | Publication Date |
---|---|
DE102009029769A1 DE102009029769A1 (en) | 2010-12-30 |
DE102009029769B4 true DE102009029769B4 (en) | 2011-11-17 |
Family
ID=43217708
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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DE102009029769A Expired - Fee Related DE102009029769B4 (en) | 2009-06-18 | 2009-06-18 | Method for producing an electronic component with a media-tight plastic housing |
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DE (1) | DE102009029769B4 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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DE202014001581U1 (en) * | 2014-02-20 | 2014-04-03 | Bachl Dämmtechnik GmbH & Co. KG | Measuring sensor carrier, measuring sensor carrier arrangement and measuring arrangement |
FR3040213B1 (en) * | 2015-08-18 | 2017-09-15 | Continental Automotive France | METHOD FOR MANUFACTURING A MEASURING SENSOR FOR A MOTOR VEHICLE |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10348266A1 (en) * | 2003-05-15 | 2004-12-02 | Behr, Michael, Priv.-Doz. Dr. med. dent. | Bonding together of two different and/or similar substrates involves joining the substrates with adhesive and subjecting to irradiation |
DE102004019428A1 (en) * | 2004-04-19 | 2005-08-04 | Infineon Technologies Ag | Semiconductor component with hollow space housing as for sensor chips has plastic housing and carrier for wiring plate |
DE102006005419A1 (en) * | 2006-02-03 | 2007-08-16 | Infineon Technologies Ag | Semiconductor component for electronic device, includes walls with photolithographically patterned polymer, and cavity covering having polymer layer, where molecular chains of the polymers are crosslinked to form stable cavity housing |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20211518U1 (en) | 2002-07-13 | 2002-09-12 | Festo Ag & Co | Position sensor designed as a Hall sensor |
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2009
- 2009-06-18 DE DE102009029769A patent/DE102009029769B4/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10348266A1 (en) * | 2003-05-15 | 2004-12-02 | Behr, Michael, Priv.-Doz. Dr. med. dent. | Bonding together of two different and/or similar substrates involves joining the substrates with adhesive and subjecting to irradiation |
DE102004019428A1 (en) * | 2004-04-19 | 2005-08-04 | Infineon Technologies Ag | Semiconductor component with hollow space housing as for sensor chips has plastic housing and carrier for wiring plate |
DE102006005419A1 (en) * | 2006-02-03 | 2007-08-16 | Infineon Technologies Ag | Semiconductor component for electronic device, includes walls with photolithographically patterned polymer, and cavity covering having polymer layer, where molecular chains of the polymers are crosslinked to form stable cavity housing |
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DE102009029769A1 (en) | 2010-12-30 |
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