EP2432620A1 - Carrier for a silicon block and method for producing such a carrier and arrangement - Google Patents

Carrier for a silicon block and method for producing such a carrier and arrangement

Info

Publication number
EP2432620A1
EP2432620A1 EP10722668A EP10722668A EP2432620A1 EP 2432620 A1 EP2432620 A1 EP 2432620A1 EP 10722668 A EP10722668 A EP 10722668A EP 10722668 A EP10722668 A EP 10722668A EP 2432620 A1 EP2432620 A1 EP 2432620A1
Authority
EP
European Patent Office
Prior art keywords
carrier
silicon block
fiber
plastic
holding device
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.)
Withdrawn
Application number
EP10722668A
Other languages
German (de)
French (fr)
Inventor
Reinhard Huber
Sven Worm
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.)
Gebrueder Schmid GmbH and Co
Original Assignee
Gebrueder Schmid GmbH and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gebrueder Schmid GmbH and Co filed Critical Gebrueder Schmid GmbH and Co
Publication of EP2432620A1 publication Critical patent/EP2432620A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
    • B28D5/0058—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material
    • B28D5/0076—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material for removing dust, e.g. by spraying liquids; for lubricating, cooling or cleaning tool or work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
    • B28D5/0058—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material
    • B28D5/0082—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material for supporting, holding, feeding, conveying or discharging work
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/2457—Parallel ribs and/or grooves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24744—Longitudinal or transverse tubular cavity or cell

Definitions

  • the invention relates to a support for a silicon block, a method for producing such a support and an arrangement of a silicon block on such a support.
  • a silicon block for sawing into individual wafers on a carrier, in particular to adhere to this.
  • a carrier is usually made of glass and is glued to another metal carrier.
  • the metal carrier is then attached to a holding device or transport device, in particular by screws, for further handling, in particular also for sawing the silicon block into individual wafers, subsequent cleaning or the like.
  • the invention has for its object to provide a carrier mentioned above, a method for its preparation and an arrangement with which problems of the prior art can be avoided and it is particularly possible to produce the carrier cost and process reliability. Furthermore, it should be sufficiently stable so that a silicon block can be glued to it for further processing.
  • the carrier is made of plastic. According to the invention, it has at least one continuous longitudinal channel in its interior, advantageously a plurality of such longitudinal channels, which run parallel to one another and can have the same distance from each other.
  • Such longitudinal channels are then sawed in sawing the glued silicon block into individual wafers and it can cleaning liquid are introduced into it, which emerges through the interstices between the wafers while impurities or the like. as so-called slurry with rinses. So a good cleaning effect is possible. Further advantages of such longitudinal channels in the interior of a carrier are known from DE 10 2009 023 121, to which reference is expressly made in this regard and whose corresponding content is hereby incorporated by express reference into the content of the present description.
  • plastic for the production of such a carrier lies in the simple and process-safe manufacturability, in particular by extrusion. This can also forms with internal channels or the like. be prepared, especially in any or large Length. Then, a single carrier can be cut or cut to length. Furthermore, plastic is considerably cheaper than glass or ceramic material.
  • Plastic also has the great advantage that the carrier after extrusion can be processed relatively easily material removal, and indeed flat. This is advantageously done only by grinding or planing, which is relatively well possible with plastic compared to other materials such as glass or ceramic, which also, similar to plastic, experience relatively small changes in shape with temperature fluctuations.
  • the carrier of fiber-reinforced plastic to increase the stability and, above all, dimensional stability under temperature fluctuations.
  • fibers from the group of glass fiber, carbon fiber, ceramic fiber, aramid fiber or other so-called high-tech fibers can be used.
  • a proportion of such fibers may be at least 10%, preferably at least 25% or even more than 30%.
  • the production of an elongated plastic carrier with fiber material, also by extrusion, can be realized without difficulty by the person skilled in the art.
  • the plastic for the carrier for example, polyamide can be used. Other suitable plastics are also possible.
  • An underside of the carrier, to which it is bonded to the silicon block can have profiles or depressions running in the longitudinal direction of the carrier and elevations. These can serve to improve a bond with the silicon block. Such surface enlargements, which act as a kind of roughening, provide a better bond, both as a result and as a result of the possibility that the adhesive can, as it were, claw on a microstructure. Profiles or depressions and elevations are advantageously uniform. - A -
  • ßig or regularly formed on the underside and can be easily produced in the longitudinal direction during extrusion.
  • the height of such profilings should be in the range of a few millimeters, in particular less than 1 mm, so that when the silicon block is applied thereto, an adhesive does not have to fill in excessively large gaps. It may also be provided that the processing of the carrier, in particular on its underside, as has been described above, leaves still sufficient surface roughness.
  • the carrier On its upper side remote from the silicon block, the carrier may have at least one longitudinal groove. This can be designed as an undercut longitudinal groove. At least one threaded element can be accommodated in the longitudinal groove, which has a thread for screw fastening to a holding device or transport device as described above.
  • bores can be provided in the carrier, in particular in its upper side.
  • connecting means can be introduced with a holding device, for example threaded holes for screwing in screws for attachment to the holding device. It may even be possible to screw self-tapping screws into cylindrical bores, which improves or reduces the production costs for the carriers, which are used only once and disposed of after sawing a silicon block adhered to them.
  • Fig. 1 is a sectional view through a carrier according to the invention with a plurality of longitudinal channels, each having a different cross section and with grooves on the top and
  • an inventive carrier 11 is shown, which is formed as an elongated flat plate, and on the underside 13 a dashed line silicon block 14 is fixed or glued.
  • the carrier 1 1 has a length of for example about 600 mm to 800 mm, a width of about 200 mm and a thickness of about 20 mm to 30 mm. It is made of plastic and is made by extrusion. The plastic is polyamide and is fiber reinforced with glass fiber, for example, with a share of about 30%.
  • longitudinal channels 17a to 17e are provided inside the carrier 11. They go through each with the same cross section through the entire length of the carrier. They are straight and parallel to each other, and advantageous, but not mandatory, even with about the same constant distance to each other.
  • the longitudinal channels 17 are also produced by extrusion by appropriate formation of the extrusion mold or mold template in the production of the carrier 11. With regard to the design of the longitudinal channels, reference is made to the above-mentioned DE 10 2009 023 121, the content of which is hereby incorporated in this regard by express reference to the content of the present description. By extruding the plastic, the illustrated cross-sectional shape of the carrier can be made particularly easily. In practice, all longitudinal channels 17 advantageously have the same cross-section.
  • undercut grooves 15a and 15b are provided for attachment at the top as a kind of dovetail guide or the like. for sliding therein threaded elements.
  • the grooves 15 holes could be provided, for example, already with internal thread, which serve for screwing the carrier similar to threaded elements in the grooves.
  • Fig. 1 is also shown how with a saw wire 24, which is parallel to a saw, not shown in more detail, has been cut through the silicon block 15 into the carrier 11 into it.
  • a sawing depth is shown in dashed lines as a sawing wire 24 ", where the usual slightly bent shape of the sawing wire 24 or 24 ' can be seen, wherein the deflection is exaggerated and may also be lower.
  • a strong enlargement of the bottom 13 of the carrier 1 1 is shown to represent the aforementioned profiles or depressions and elevations in three different areas. These serve to improve a bond with the silicon block 14, to which they are advantageously provided in each case uniformly or regularly and over the entire width of the carrier underside 13.
  • the left profilings 18a are formed as alternating recesses and elevations, for example with a maximum height of 1 mm or even less.
  • the depressions are about as big as the elevations, but this can be different.
  • the middle profiles 18b are formed as depressions, undercut.
  • the adhesive for the silicon block can cling or adhere well, so to speak.
  • the right-hand profilings 18c are formed as alternating recesses and elevations, in each case undercut.
  • the effect of the two aforementioned profilings can advantageously be combined, as it were, for a further improved bonding.
  • the profilings are easy as in the grooves 15 or the longitudinal channels 17 during extrusion possible.
  • the profilings may be formed about raised higher than actually desired for the final bonding, so that after the grinding of some material height still sufficient profiling for the desired effect left is.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Abstract

The invention relates to a carrier for a silicon block, which is rigidly connected to the carrier and is moved together with the carrier for processing by means of sawing, cleaning, or the like, wherein said carrier is made of plastic, preferably glass-fiber-reinforced plastic. The carrier comprises several continuous longitudinal channels in the interior thereof. Said longitudinal channels are sawed into, and thus cleaning liquid can be introduced into the intermediate space between the sawn-up wafers in order to wash out sawing residues.

Description

Beschreibung description
Träger für einen Siliziumblock sowie Herstellungsverfahren eines solchen Trägers und AnordnungSupport for a silicon block and manufacturing method of such a support and arrangement
Anwendungsgebiet und Stand der TechnikField of application and state of the art
Die Erfindung betrifft einen Träger für einen Siliziumblock, ein Verfahren zur Herstellung eines solchen Trägers sowie eine Anordnung eines Siliziumblocks an einem solchen Träger.The invention relates to a support for a silicon block, a method for producing such a support and an arrangement of a silicon block on such a support.
Aus der DE 10 2008 028 213 A1 ist es bekannt, einen Siliziumblock zum Zersägen in einzelne Wafer an einem Träger zu befestigen, insbesondere an diesem festzukleben. Ein solcher Träger ist üblicherweise aus Glas und wird mit einem weiteren Metallträger verklebt. Der Metallträger wird dann an einer Haltevorrichtung oder Transportvorrichtung befestigt, insbesondere durch Schrauben, zur weiteren Handhabung, insbesondere auch zum Zersägen des Siliziumblocks in einzelne Wafer, anschließendes Reinigen odgl..From DE 10 2008 028 213 A1 it is known to attach a silicon block for sawing into individual wafers on a carrier, in particular to adhere to this. Such a carrier is usually made of glass and is glued to another metal carrier. The metal carrier is then attached to a holding device or transport device, in particular by screws, for further handling, in particular also for sawing the silicon block into individual wafers, subsequent cleaning or the like.
Aufgabe und LösungTask and solution
Der Erfindung liegt die Aufgabe zugrunde, einen eingangs genannten Träger, ein Verfahren zu seiner Herstellung sowie eine Anordnung zu schaffen, mit denen Probleme des Standes der Technik vermieden werden können und es insbesondere möglich ist, den Träger kostengünstig sowie prozesssicher herzustellen. Des weiteren soll er ausreichend stabil sein, damit ein Siliziumblock daran festgeklebt werden kann zu dessen weiterer Bearbeitung.The invention has for its object to provide a carrier mentioned above, a method for its preparation and an arrangement with which problems of the prior art can be avoided and it is particularly possible to produce the carrier cost and process reliability. Furthermore, it should be sufficiently stable so that a silicon block can be glued to it for further processing.
Gelöst wird diese Aufgabe durch einen Träger mit den Merkmalen des Anspruchs 1 , ein Verfahren zur Herstellung eines solchen Trägers mit den Merkmalen des Anspruchs 8 sowie eine Anordnung mit den Merkmalen des Anspruchs 10. Vorteilhafte sowie bevorzugte Ausgestaltungen der Erfindung sind Gegenstand der weiteren Ansprüche und werden im Folgenden näher erläutert. Dabei werden manche der nachfolgend genannten Merkmale nur für den Träger oder die Anordnung oder nur für das Herstellungsverfahren beschrieben bzw. aufgezählt. Sie sollen jedoch unabhängig davon sowohl für den Träger an sich als auch für das Herstellungsverfahren gelten können. Der Wortlaut der Ansprüche wird durch ausdrückliche Bezugnahme zum Inhalt der Beschreibung gemacht.This object is achieved by a carrier having the features of claim 1, a method for producing such a carrier The features of claim 8 and an arrangement with the features of claim 10. Advantageous and preferred embodiments of the invention are the subject of further claims and are explained in more detail below. In this case, some of the features mentioned below are described or listed only for the carrier or the arrangement or only for the manufacturing process. However, they should be able to apply independently of both the carrier itself and the manufacturing process. The wording of the claims is incorporated herein by express reference.
Es ist vorgesehen, dass der Träger aus Kunststoff besteht. Erfindungsgemäß weist er mindestens einen durchgängigen Längskanal in seinem Inneren auf, vorteilhaft mehrere solcher Längskanäle, die parallel zueinander verlaufen und gleichen Abstand zueinander aufweisen können.It is envisaged that the carrier is made of plastic. According to the invention, it has at least one continuous longitudinal channel in its interior, advantageously a plurality of such longitudinal channels, which run parallel to one another and can have the same distance from each other.
Solche Längskanäle werden dann beim Zersägen des angeklebten Siliziumblocks in einzelne Wafer mit angesägt und es kann Reinigungsflüssigkeit in sie eingebracht werden, die durch die Zwischenräume zwischen den Wafern austritt und dabei Verunreinigungen odgl. wie sogenanntes Slurry mit ausspült. So ist eine gute Reinigungswirkung möglich. Weitere Vorteile solcher Längskanäle im Inneren eines Trägers sind aus der DE 10 2009 023 121 bekannt, auf die diesbezüglich explizit verwiesen wird und deren entsprechender Inhalt durch ausdrückliche Bezugnahme hiermit zum Inhalt der vorliegenden Beschreibung gemacht wird.Such longitudinal channels are then sawed in sawing the glued silicon block into individual wafers and it can cleaning liquid are introduced into it, which emerges through the interstices between the wafers while impurities or the like. as so-called slurry with rinses. So a good cleaning effect is possible. Further advantages of such longitudinal channels in the interior of a carrier are known from DE 10 2009 023 121, to which reference is expressly made in this regard and whose corresponding content is hereby incorporated by express reference into the content of the present description.
Der Vorteil von Kunststoff für die Fertigung eines solchen Trägers, insbesondere auch wegen der in seinem Inneren vorhandenen Längskanäle, liegt in der einfachen und prozesssicheren Herstellbarkeit, insbesondere durch Extrusion. Damit können auch Formen mit Innenkanälen odgl. hergestellt werden, insbesondere auch in beliebiger oder großer Länge. Dann kann ein einzelner Träger in entsprechender Länge abgeschnitten bzw. abgelängt werden. Des weiteren ist Kunststoff erheblich günstiger als Glas oder Keramikmaterial.The advantage of plastic for the production of such a carrier, in particular because of the existing in its interior longitudinal channels, lies in the simple and process-safe manufacturability, in particular by extrusion. This can also forms with internal channels or the like. be prepared, especially in any or large Length. Then, a single carrier can be cut or cut to length. Furthermore, plastic is considerably cheaper than glass or ceramic material.
Kunststoff weist des weiteren den großen Vorteil auf, dass der Träger nach dem Extrudieren relativ leicht materialabtragend bearbeitet werden kann, und zwar flächig. Dies erfolgt vorteilhaft nur durch Schleifen oder Hobeln, was bei Kunststoff relativ gut möglich ist im Vergleich zu anderen Werkstoffen wie Glas oder Keramik, die ebenfalls, ähnlich wie Kunststoff, relativ geringe Formveränderungen bei Temperaturschwankungen erfahren.Plastic also has the great advantage that the carrier after extrusion can be processed relatively easily material removal, and indeed flat. This is advantageously done only by grinding or planing, which is relatively well possible with plastic compared to other materials such as glass or ceramic, which also, similar to plastic, experience relatively small changes in shape with temperature fluctuations.
In vorteilhafter Ausgestaltung der Erfindung besteht der Träger aus faserverstärktem Kunststoff zur Erhöhung der Stabilität und vor allem auch Formstabilität bei Temperaturschwankungen. Dazu können Fasern aus der Gruppe Glasfaser, Kohlefaser, Keramikfaser, Aramidfaser oder sonstiger sogenannter High-Tech-Fasern verwendet werden. Ein Anteil solcher Fasern kann beispielsweise mindestens 10% betragen, vorzugsweise mindestens 25% oder sogar mehr als 30%. Die Herstellung eines länglichen Kunststoff-Trägers mit Fasermaterial auch durch Extrudieren ist für den Fachmann problemlos realisierbar. Als Kunststoff für den Träger kann beispielsweise Polyamid verwendet werden. Weitere geeignete Kunststoffe sind ebenfalls möglich.In an advantageous embodiment of the invention, the carrier of fiber-reinforced plastic to increase the stability and, above all, dimensional stability under temperature fluctuations. For this purpose, fibers from the group of glass fiber, carbon fiber, ceramic fiber, aramid fiber or other so-called high-tech fibers can be used. For example, a proportion of such fibers may be at least 10%, preferably at least 25% or even more than 30%. The production of an elongated plastic carrier with fiber material, also by extrusion, can be realized without difficulty by the person skilled in the art. As the plastic for the carrier, for example, polyamide can be used. Other suitable plastics are also possible.
Eine Unterseite des Trägers, an der er mit dem Siliziumblock verklebt wird, kann in Längsrichtung des Trägers verlaufende Profilierungen bzw. Vertiefungen aufweisen und Erhebungen. Diese können zur Verbesserung einer Verklebung mit dem Siliziumblock dienen. Solche quasi als Aufrauungen wirkende Oberflächenvergrößerungen sorgen sowohl dadurch als auch durch die Möglichkeit, dass sich Kleber an einer Mikrostruktur sozusagen verkrallen kann, für eine bessere Verklebung. Profilierungen bzw. Vertiefungen und Erhebungen sind vorteilhaft gleichmä- - A -An underside of the carrier, to which it is bonded to the silicon block, can have profiles or depressions running in the longitudinal direction of the carrier and elevations. These can serve to improve a bond with the silicon block. Such surface enlargements, which act as a kind of roughening, provide a better bond, both as a result and as a result of the possibility that the adhesive can, as it were, claw on a microstructure. Profiles or depressions and elevations are advantageously uniform. - A -
ßig bzw. regelmäßig ausgebildet an der Unterseite und können auf einfache Art und Weise in Längsrichtung beim Extrudieren hergestellt werden. Die Höhe solcher Profilierungen sollte im Bereich weniger Millimeter liegen, insbesondere geringer sein als 1 mm, damit bei Anlage des Siliziumblocks daran ein Kleber keine allzu großen Zwischenräume ausfüllen muss. Es kann auch vorgesehen sein, dass das Bearbeiten des Trägers, insbesondere an seiner Unterseite wie es vorstehend beschrieben worden ist, eine immer noch ausreichende Oberflächenrauheit übrig lässt.ßig or regularly formed on the underside and can be easily produced in the longitudinal direction during extrusion. The height of such profilings should be in the range of a few millimeters, in particular less than 1 mm, so that when the silicon block is applied thereto, an adhesive does not have to fill in excessively large gaps. It may also be provided that the processing of the carrier, in particular on its underside, as has been described above, leaves still sufficient surface roughness.
An seiner von dem Siliziumblock abgewandten Oberseite kann der Träger mindestens eine Längsnut aufweisen. Diese kann als hinterschnitte- ne Längsnut ausgebildet sein. In der Längsnut kann mindestens ein Gewindeelement aufgenommen sein, welches ein Gewinde zur Schraubbefestigung an einer vorbeschriebenen Haltevorrichtung oder Transportvorrichtung aufweist.On its upper side remote from the silicon block, the carrier may have at least one longitudinal groove. This can be designed as an undercut longitudinal groove. At least one threaded element can be accommodated in the longitudinal groove, which has a thread for screw fastening to a holding device or transport device as described above.
Alternativ zu solchen Befestigungsmöglichkeiten in Nuten an der Oberseite des Trägers können Bohrungen im Träger, insbesondere in seiner Oberseite, vorgesehen sein. Auch darin können Verbindungsmittel mit einer Haltevorrichtung eingebracht werden, beispielsweise Gewindebohrungen zum Einschrauben von Schrauben zur Befestigung an der Haltevorrichtung. Möglicherweise können sogar in zylindrische Bohrungen selbstschneidende Schrauben eingeschraubt werden, was den Herstellungsaufwand für die Träger, die nur einmal verwendet werden und nach einem Sägen eines daran angeklebten Siliziumblocks entsorgt werden, verbessert bzw. senkt.As an alternative to such fastening possibilities in grooves on the upper side of the carrier, bores can be provided in the carrier, in particular in its upper side. Also therein connecting means can be introduced with a holding device, for example threaded holes for screwing in screws for attachment to the holding device. It may even be possible to screw self-tapping screws into cylindrical bores, which improves or reduces the production costs for the carriers, which are used only once and disposed of after sawing a silicon block adhered to them.
Diese und weitere Merkmale gehen außer aus den Ansprüchen auch aus der Beschreibung und den Zeichnungen hervor, wobei die einzelnen Merkmale jeweils für sich allein oder zu mehreren in Form von Unterkombinationen bei einer Ausführungsform der Erfindung und auf ande- ren Gebieten verwirklicht sein und vorteilhafte sowie für sich schutzfähige Ausführungen darstellen können, für die hier Schutz beansprucht wird. Die Unterteilung der Anmeldung in einzelne Abschnitte sowie Zwi- schen-Überschriften beschränken die unter diesen gemachten Aussagen nicht in ihrer Allgemeingültigkeit,These and other features, as well as the claims, are apparent from the description and the drawings, wherein the individual features may be considered individually or in the form of sub-combinations in one embodiment of the invention and in other respects. be realized areas and can represent advantageous and protectable versions for which protection is claimed here. The subdivision of the application into individual sections as well as subheadings does not limit the general validity of the statements made thereunder.
Kurzbeschreibung der ZeichnungenBrief description of the drawings
Ausführungsbeispiele der Erfindung sind in den Zeichnungen schematisch dargestellt und werden im folgenden näher erläutert. In den Zeichnungen zeigen:Embodiments of the invention are shown schematically in the drawings and will be explained in more detail below. In the drawings show:
Fig. 1 eine Schnittansicht durch einen erfindungsgemäßen Träger mit mehreren Längskanälen mit jeweils unterschiedlichem Querschnitt und mit Nuten an der Oberseite undFig. 1 is a sectional view through a carrier according to the invention with a plurality of longitudinal channels, each having a different cross section and with grooves on the top and
Fig. 2 die Unterseite des Trägers in starker Vergrößerung.Fig. 2, the underside of the carrier in high magnification.
Detaillierte Beschreibung der AusführungsbeispieleDetailed description of the embodiments
In Fig. 1 ist ein erfindungsgemäßer Träger 11 dargestellt, der als längliche flache Platte ausgebildet ist, und an dessen Unterseite 13 ein gestrichelt dargestellter Siliziumblock 14 befestigt bzw. festgeklebt ist. Der Träger 1 1 weist eine Länge von beispielsweise etwa 600 mm bis 800 mm auf, eine Breite von etwa 200 mm und eine Dicke von etwa 20 mm bis 30 mm. Er besteht aus Kunststoff und ist durch Extrudieren hergestellt. Der Kunststoff ist Polyamid und ist faserverstärkt mit Glasfaser, beispielsweise mit einem Anteil von etwa 30%.In Fig. 1, an inventive carrier 11 is shown, which is formed as an elongated flat plate, and on the underside 13 a dashed line silicon block 14 is fixed or glued. The carrier 1 1 has a length of for example about 600 mm to 800 mm, a width of about 200 mm and a thickness of about 20 mm to 30 mm. It is made of plastic and is made by extrusion. The plastic is polyamide and is fiber reinforced with glass fiber, for example, with a share of about 30%.
Im Inneren des Trägers 11 sind fünf Längskanäle 17a bis 17e vorgesehen. Sie gehen mit jeweils gleichbleibendem Querschnitt durch die gesamte Länge des Trägers hindurch. Dabei sind sie gerade und parallel zueinander, und vorteilhaft, aber nicht zwingend, auch mit etwa gleich bleibendem Abstand zueinander. Die Längskanäle 17 sind bei Herstellung des Trägers 11 ebenfalls durch Extrudieren durch entsprechende Ausbildung der Extrudierform bzw. Formschablone hergestellt. Bezüglich der Ausbildung der Längskanäle wird auf die oben genannte DE 10 2009 023 121 verwiesen, deren Inhalt hiermit diesbezüglich durch ausdrückliche Bezugnahme zum Inhalt der vorliegenden Beschreibung gemacht wird. Durch das Extrudieren des Kunststoffes kann die gezeigte Querschnittsform des Trägers besonders leicht hergestellt werden. In der Praxis weisen alle Längskanäle 17 vorteilhaft den gleichen Querschnitt auf.Inside the carrier 11, five longitudinal channels 17a to 17e are provided. They go through each with the same cross section through the entire length of the carrier. They are straight and parallel to each other, and advantageous, but not mandatory, even with about the same constant distance to each other. The longitudinal channels 17 are also produced by extrusion by appropriate formation of the extrusion mold or mold template in the production of the carrier 11. With regard to the design of the longitudinal channels, reference is made to the above-mentioned DE 10 2009 023 121, the content of which is hereby incorporated in this regard by express reference to the content of the present description. By extruding the plastic, the illustrated cross-sectional shape of the carrier can be made particularly easily. In practice, all longitudinal channels 17 advantageously have the same cross-section.
Des weiteren sind an der Oberseite noch zwei hinterschnittene Nuten 15a und 15b zur Befestigung vorgesehen als eine Art Schwalbenschwanzführung odgl. für darin verschiebbare Gewindeelemente. Bezüglich der Ausbildung der Nut wird auf die DE 10 2009 023 1 19 verwiesen, deren Inhalt hiermit diesbezüglich durch ausdrückliche Bezugnahme zum Inhalt der vorliegenden Beschreibung gemacht wird. Alternativ zu den Nuten 15 könnten Bohrungen vorgesehen sein, beispielsweise schon mit Innengewinde, die zur Verschraubung des Trägers dienen ähnlich wie Gewindeelemente in den Nuten.Furthermore, two undercut grooves 15a and 15b are provided for attachment at the top as a kind of dovetail guide or the like. for sliding therein threaded elements. With regard to the formation of the groove, reference is made to DE 10 2009 023 1 19, the content of which is hereby incorporated in this regard by express reference to the content of the present description. Alternatively to the grooves 15 holes could be provided, for example, already with internal thread, which serve for screwing the carrier similar to threaded elements in the grooves.
In Fig. 1 ist auch dargestellt, wie mit einem Sägedraht 24, der in vielfacher Form parallel an einer nicht näher dargestellten Sägeeinrichtung vorhanden ist, durch den Siliziumblock 15 geschnitten worden ist bis in den Träger 11 hinein. Eine solche Einsägtiefe ist gestrichelt dargestellt als Sägedraht 24". Hier ist die übliche, leicht durchgebogene Form des Sägedrahts 24 bzw. 24' zu erkennen, wobei die Durchbiegung übertrieben dargestellt ist und auch geringer sein kann.In Fig. 1 is also shown how with a saw wire 24, which is parallel to a saw, not shown in more detail, has been cut through the silicon block 15 into the carrier 11 into it. Such a sawing depth is shown in dashed lines as a sawing wire 24 ", where the usual slightly bent shape of the sawing wire 24 or 24 ' can be seen, wherein the deflection is exaggerated and may also be lower.
In der Fig. 2 ist eine starke Vergrößerung der Unterseite 13 des Trägers 1 1 dargestellt, um die vorgenannten Profilierungen bzw. Vertiefungen und Erhebungen darzustellen in drei verschiedenen Bereichen. Diese dienen zur Verbesserung einer Verklebung mit dem Siliziumblock 14, wozu sie vorteilhaft jeweils gleichmäßig bzw. regelmäßig und über die gesamte Breite der Trägerunterseite 13 vorgesehen sind.2, a strong enlargement of the bottom 13 of the carrier 1 1 is shown to represent the aforementioned profiles or depressions and elevations in three different areas. These serve to improve a bond with the silicon block 14, to which they are advantageously provided in each case uniformly or regularly and over the entire width of the carrier underside 13.
Die linken Profilierungen 18a sind als abwechselnde Vertiefungen und Erhebungen ausgebildet, beispielsweise mit einer Höhe von maximal 1 mm oder noch deutlich weniger. Die Vertiefungen sind in etwa so groß wie die Erhebungen, was aber auch anders sein kann.The left profilings 18a are formed as alternating recesses and elevations, for example with a maximum height of 1 mm or even less. The depressions are about as big as the elevations, but this can be different.
Die mittleren Profilierungen 18b sind als Vertiefungen ausgebildet, und zwar hinterschnitten. So kann sich der Kleber für den Siliziumblock besonders gut sozusagen verkrallen bzw. haften.The middle profiles 18b are formed as depressions, undercut. Thus, the adhesive for the silicon block can cling or adhere well, so to speak.
Die rechten Profilierungen 18c sind als abwechselnde Vertiefungen und Erhebungen ausgebildet, und zwar jeweils hinterschnitten. So kann die Wirkung der beiden vorgenannten Profilierungen vorteilhaft quasi kombiniert werden für eine nochmals verbesserte Verklebung.The right-hand profilings 18c are formed as alternating recesses and elevations, in each case undercut. Thus, the effect of the two aforementioned profilings can advantageously be combined, as it were, for a further improved bonding.
Das Herstellen der Profilierungen ist ebenso wie bei den Nuten 15 oder den Längskanälen 17 leicht beim Extrudieren möglich. Um die Unterseite 13 auf eine Ebene planzuschleifen, damit sie gut an einem Siliziumblock anliegt, können die Profilierungen etwa stärker erhaben ausgebildet sein als eigentlich letztendlich für die Verklebung gewünscht, sodass nach dem Abschleifen von etwas Materialhöhe immer noch eine ausreichende Profilierung für die gewünschte Wirkung übrig ist. The production of the profilings is easy as in the grooves 15 or the longitudinal channels 17 during extrusion possible. To clamp the bottom 13 on a plane, so that it fits well on a silicon block, the profilings may be formed about raised higher than actually desired for the final bonding, so that after the grinding of some material height still sufficient profiling for the desired effect left is.

Claims

Patentansprüche claims
1. Träger für einen Siliziumblock, wobei der Siliziumblock mit dem Träger fest verbunden ist und zusammen mit diesem bewegt wird zur Bearbeitung durch Sägen, Reinigen odgl., wobei der Träger aus Kunststoff besteht, dadurch gekennzeichnet, dass der Träger mindestens einen durchgängigen Längskanal in seinem Inneren aufweist.1. support for a silicon block, wherein the silicon block is fixedly connected to the carrier and is moved together with it for processing by sawing, cleaning or the like, wherein the carrier consists of plastic, characterized in that the carrier at least one continuous longitudinal channel in his Inside has.
2. Träger nach Anspruch 1 , dadurch gekennzeichnet, dass er aus faserverstärktem Kunststoff besteht, vorzugsweise verstärkt mit Fasern aus der Gruppe: Glasfaser, Kohlefaser, Keramikfaser, Ara- midfaser.2. A carrier according to claim 1, characterized in that it consists of fiber-reinforced plastic, preferably reinforced with fibers from the group: glass fiber, carbon fiber, ceramic fiber, arabamide fiber.
3. Träger nach Anspruch 2, dadurch gekennzeichnet, dass der Anteil der Fasern mindestens 10% beträgt, vorzugsweise mindestens 25% bis 30%.3. A carrier according to claim 2, characterized in that the proportion of fibers is at least 10%, preferably at least 25% to 30%.
4. Träger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass eine Unterseite zur Verklebung mit einem Siliziumblock daran in Längsrichtung des Trägers verlaufende Profilierungen bzw. Vertiefungen und Erhebungen aufweist zur Verbesserung einer Verklebung mit dem Siliziumblock, vorzugsweise gleichmäßige bzw. regelmäßige Profilierungen.4. Carrier according to one of the preceding claims, characterized in that a bottom for bonding with a silicon block extending thereon in the longitudinal direction of the carrier profilings or depressions and elevations to improve bonding with the silicon block, preferably uniform or regular profiles.
5. Träger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Träger an einer von dem Siliziumblock abgewandten Oberseite mindestens eine Längsnut aufweist, vorzugsweise eine hinterschnittene Längsnut, zur Aufnahme von mindestens einem Gewindeelement mit Gewinde zur Schraubbefestigung an einer Haltevorrichtung oder Transportvorrichtung. 5. Carrier according to one of the preceding claims, characterized in that the carrier has at least one longitudinal groove facing away from the silicon block, preferably an undercut longitudinal groove for receiving at least one threaded element with a threaded fastener to a holding device or transport device.
6. Träger nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass an einer Oberseite des Trägers Bohrungen für Verbindungsmittel mit einer Haltevorrichtung vorgesehen sind, vorzugsweise Gewindebohrungen zum Eingriff von mit der Haltevorrichtung verbundenen Schrauben.6. A carrier according to any one of claims 1 to 4, characterized in that bores for connecting means are provided with a holding device on an upper side of the carrier, preferably threaded bores for engagement of screws connected to the holding device.
7. Träger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Kunststoff Polyamid ist.7. Support according to one of the preceding claims, characterized in that the plastic is polyamide.
8. Verfahren zur Herstellung eines Trägers nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Träger durch Extrusion hergestellt wird als sehr langes Stück bzw. Endlosstück und davon einzelne Träger abgeschnitten bzw. abgelängt werden.8. A method for producing a carrier according to any one of the preceding claims, characterized in that the carrier is prepared by extrusion as a very long piece or endless piece and individual carriers are cut off or cut to length.
9. Verfahren nach Anspruch 8, dadurch gekennzeichnet, dass der Träger nach dem Extrudieren nur noch in materialabtragender Weise flächig bzw. durch Schleifen oder Hobeln bearbeitet wird.9. The method according to claim 8, characterized in that the carrier is processed after extrusion only in material-removing manner surface or by grinding or planing.
10. Anordnung nach einem der Ansprüche 1 bis 7 mit einem Siliziumblock, dadurch gekennzeichnet, dass der Siliziumblock fest mit dem Träger verbunden ist mittels Klebemitteln.10. Arrangement according to one of claims 1 to 7 with a silicon block, characterized in that the silicon block is firmly connected to the carrier by means of adhesives.
11. Anordnung nach Anspruch 10, dadurch gekennzeichnet, dass der Siliziumblock fest mit der Unterseite des Trägers verbunden ist. 11. Arrangement according to claim 10, characterized in that the silicon block is firmly connected to the underside of the carrier.
EP10722668A 2009-05-22 2010-05-20 Carrier for a silicon block and method for producing such a carrier and arrangement Withdrawn EP2432620A1 (en)

Applications Claiming Priority (2)

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DE102009023122A DE102009023122A1 (en) 2009-05-22 2009-05-22 Support for a silicon block and manufacturing method of such a carrier
PCT/EP2010/056994 WO2010133683A1 (en) 2009-05-22 2010-05-20 Carrier for a silicon block and method for producing such a carrier and arrangement

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EP (1) EP2432620A1 (en)
JP (1) JP2012527756A (en)
KR (1) KR20120023673A (en)
CN (1) CN102438791A (en)
DE (1) DE102009023122A1 (en)
MX (1) MX2011012402A (en)
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SG176019A1 (en) 2011-12-29
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KR20120023673A (en) 2012-03-13
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US20120064300A1 (en) 2012-03-15
WO2010133683A1 (en) 2010-11-25
MX2011012402A (en) 2012-04-19
JP2012527756A (en) 2012-11-08

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