DE10328876A1 - Method for separation of semiconductor chips from semiconductor wafer using formation of separation lines by ion implantation and separation using ultrasonic bath - Google Patents
Method for separation of semiconductor chips from semiconductor wafer using formation of separation lines by ion implantation and separation using ultrasonic bath Download PDFInfo
- Publication number
- DE10328876A1 DE10328876A1 DE10328876A DE10328876A DE10328876A1 DE 10328876 A1 DE10328876 A1 DE 10328876A1 DE 10328876 A DE10328876 A DE 10328876A DE 10328876 A DE10328876 A DE 10328876A DE 10328876 A1 DE10328876 A1 DE 10328876A1
- Authority
- DE
- Germany
- Prior art keywords
- separation
- wafer
- ion implantation
- hydrogen ion
- semiconductor chips
- 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.)
- Ceased
Links
Classifications
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
- H01L21/26506—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
- H01L21/26506—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors
- H01L21/26513—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors of electrically active species
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
Abstract
Description
In
der
Aufgabe der vorliegenden Erfindung ist es, ein verbessertes und vereinfachtes Verfahren zum Vereinzeln von Halbleiterchips aus einem Wafer anzugeben, mit dem ein hoher Durchsatz von Wafern erzielt wird.task The present invention is an improved and simplified To provide a method for separating semiconductor chips from a wafer, with which a high throughput of wafers is achieved.
Diese Aufgabe wird mit dem Verfahren mit den Merkmalen des Anspruches 1 gelöst. Ausgestaltungen ergeben sich aus den abhängigen Ansprüchen.These Task is with the method with the features of the claim 1 solved. Embodiments emerge from the dependent claims.
Bei dem Verfahren wird der Wafer mit einer Maske bedeckt, die Öffnungen entlang vorgesehener Trennlinien aufweist; dann wird eine Wasserstoffionenimplantation in den Wafer vorgenom men, so dass im Bereich der Maskenöffnungen implantierte Bereiche ausgebildet werden, die höchstens 10 μm, vorzugsweise höchstens 3 μm breit sind. Der so behandelte Wafer, in dem durch die Wasserstoffionenimplantation entlang der Trennlinien Hohlräume oder Mikrorisse entstanden sind, wird in einem Ultraschallbad in die Halbleiterchips zerteilt.at In the method, the wafer is covered with a mask, the openings along provided dividing lines; then a hydrogen ion implantation into the wafer, leaving in the area of the mask openings implanted areas are formed, which is at most 10 microns, preferably at most 3 μm wide are. The thus treated wafer in which by the hydrogen ion implantation along the dividing lines cavities or micro cracks are formed in an ultrasonic bath the semiconductor chips parts.
Es
folgt eine genauere Beschreibung des Verfahrens anhand der
In
der
In
der
Die
Dafür kann im
Prinzip jede für
Implantationen hoher Implantationsrate geeignete Vorrichtung oder Anlage
eingesetzt werden. Besonders bevorzugt ist dabei eine P3+-Implantationsvorrichtung,
mit der eine großflächige Wasserstoffionenimplantation
Alternativ
zur Maskenbelichtung kann eine Vorrichtung für die Implantation mittels
gebündelter Ionenstrahlen
Die
implantierten Bereiche
Die
Mit diesem Verfahren kann auf einfache Weise eine große Anzahl von Wafern in kurzer Zeit zerteilt und so die Halbleiterchips vereinzelt werden. Das ist insbesondere von Vorteil, wenn die Chips besonders geringe Abmessungen haben, zum Beispiel bei Dioden bis zu unterhalb 0,1 mm2. Durch die sehr schmal auszubildenden Trennbereiche ergibt sich damit eine erhebliche Platzeinsparung auf dem Wafer. Die Wafer können für eine Zerteilung bereits im Herstellungsabschnitt des Front-End für die Zerteilung präpariert werden. Sämtliche Trennlinien werden durch die Ionenimplantation gleichzeitig bearbeitet; es braucht kein Schreibgerät oder Schneidegerät an den Trennlinien entlang gefahren zu werden.With this method, a large number of wafers can be cut in a simple manner in a short time and thus the semiconductor chips are separated. This is particularly advantageous if the chips have particularly small dimensions, for example, in diodes up to below 0.1 mm 2 . Due to the very narrow trainees separation areas, this results in a considerable space savings on the wafer. The wafers can be prepared for dicing already in the manufacturing section of the front-end for the dicing. All dividing lines are processed simultaneously by the ion implantation; there is no need to drive a writing instrument or a cutting device along the dividing lines.
- 11
- Waferwafer
- 22
- Maskemask
- 33
- BereichArea
- 44
- flächige Wasserstoffionenimplantationplanar hydrogen ion implantation
- 55
- gebündelter Ionenstrahlbundled ion beam
- 66
- Gefäßvessel
- 77
- Flüssigkeitliquid
- 88th
- Ultraschallwandlerultrasound transducer
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10328876A DE10328876A1 (en) | 2003-06-26 | 2003-06-26 | Method for separation of semiconductor chips from semiconductor wafer using formation of separation lines by ion implantation and separation using ultrasonic bath |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10328876A DE10328876A1 (en) | 2003-06-26 | 2003-06-26 | Method for separation of semiconductor chips from semiconductor wafer using formation of separation lines by ion implantation and separation using ultrasonic bath |
Publications (1)
Publication Number | Publication Date |
---|---|
DE10328876A1 true DE10328876A1 (en) | 2005-02-03 |
Family
ID=33559750
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10328876A Ceased DE10328876A1 (en) | 2003-06-26 | 2003-06-26 | Method for separation of semiconductor chips from semiconductor wafer using formation of separation lines by ion implantation and separation using ultrasonic bath |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10328876A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008143663A1 (en) * | 2007-05-17 | 2008-11-27 | Agere Systems Inc. | Method for separating a semiconductor wafer into individual semiconductor dies using an implanted impurity |
US8119501B2 (en) | 2007-05-17 | 2012-02-21 | Agere Systems Inc. | Method for separating a semiconductor wafer into individual semiconductor dies using an implanted impurity |
DE102020115687A1 (en) | 2020-06-15 | 2021-12-16 | Infineon Technologies Ag | MANUFACTURE OF SEMI-CONDUCTOR DEVICES BY THINNING AND DIVIDING |
DE102020115687B4 (en) | 2020-06-15 | 2024-05-16 | Infineon Technologies Ag | MANUFACTURING SEMICONDUCTOR DEVICES BY THINNING AND DIVIDING |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59219975A (en) * | 1983-05-27 | 1984-12-11 | Matsushita Electric Ind Co Ltd | Cleaving method of semiconductor laser |
JPH02132844A (en) * | 1988-07-19 | 1990-05-22 | Matsushita Electric Ind Co Ltd | Division of compound semiconductor wafer |
US6225193B1 (en) * | 1998-08-28 | 2001-05-01 | Nortel Networks Limited | Method of cleaving a semiconductor wafer including implanting and annealing resulting in exfoliation |
US6372610B1 (en) * | 1999-12-20 | 2002-04-16 | Industrial Technology Research Institute | Method for die separation of a wafer by ion implantation |
-
2003
- 2003-06-26 DE DE10328876A patent/DE10328876A1/en not_active Ceased
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59219975A (en) * | 1983-05-27 | 1984-12-11 | Matsushita Electric Ind Co Ltd | Cleaving method of semiconductor laser |
JPH02132844A (en) * | 1988-07-19 | 1990-05-22 | Matsushita Electric Ind Co Ltd | Division of compound semiconductor wafer |
US6225193B1 (en) * | 1998-08-28 | 2001-05-01 | Nortel Networks Limited | Method of cleaving a semiconductor wafer including implanting and annealing resulting in exfoliation |
US6372610B1 (en) * | 1999-12-20 | 2002-04-16 | Industrial Technology Research Institute | Method for die separation of a wafer by ion implantation |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008143663A1 (en) * | 2007-05-17 | 2008-11-27 | Agere Systems Inc. | Method for separating a semiconductor wafer into individual semiconductor dies using an implanted impurity |
US8119501B2 (en) | 2007-05-17 | 2012-02-21 | Agere Systems Inc. | Method for separating a semiconductor wafer into individual semiconductor dies using an implanted impurity |
DE102020115687A1 (en) | 2020-06-15 | 2021-12-16 | Infineon Technologies Ag | MANUFACTURE OF SEMI-CONDUCTOR DEVICES BY THINNING AND DIVIDING |
DE102020115687B4 (en) | 2020-06-15 | 2024-05-16 | Infineon Technologies Ag | MANUFACTURING SEMICONDUCTOR DEVICES BY THINNING AND DIVIDING |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8131 | Rejection |