DE1094886B - Semiconductor arrangement with collector electrode, especially transistor for high frequencies and high power dissipation - Google Patents
Semiconductor arrangement with collector electrode, especially transistor for high frequencies and high power dissipationInfo
- Publication number
- DE1094886B DE1094886B DES59587A DES0059587A DE1094886B DE 1094886 B DE1094886 B DE 1094886B DE S59587 A DES59587 A DE S59587A DE S0059587 A DES0059587 A DE S0059587A DE 1094886 B DE1094886 B DE 1094886B
- Authority
- DE
- Germany
- Prior art keywords
- zone
- collector
- emitter
- base
- transistor
- 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.)
- Pending
Links
- 239000004065 semiconductor Substances 0.000 title claims description 26
- 230000007423 decrease Effects 0.000 claims description 8
- 239000006187 pill Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 claims 7
- 229910052782 aluminium Inorganic materials 0.000 claims 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 4
- 229910052787 antimony Inorganic materials 0.000 claims 4
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims 4
- 229910052785 arsenic Inorganic materials 0.000 claims 4
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims 4
- 239000012535 impurity Substances 0.000 claims 4
- 230000002349 favourable effect Effects 0.000 claims 3
- 238000000034 method Methods 0.000 claims 3
- 230000008569 process Effects 0.000 claims 3
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims 2
- 238000005275 alloying Methods 0.000 claims 2
- 230000008901 benefit Effects 0.000 claims 2
- 239000004020 conductor Substances 0.000 claims 2
- 230000007547 defect Effects 0.000 claims 2
- 238000005530 etching Methods 0.000 claims 2
- 229910052733 gallium Inorganic materials 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- 238000001953 recrystallisation Methods 0.000 claims 2
- 239000000956 alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 230000004888 barrier function Effects 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000001419 dependent effect Effects 0.000 claims 1
- 230000005684 electric field Effects 0.000 claims 1
- 230000004927 fusion Effects 0.000 claims 1
- 229910052732 germanium Inorganic materials 0.000 claims 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 239000007858 starting material Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 230000015556 catabolic process Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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
-
- 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 potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/308—Chemical or electrical treatment, e.g. electrolytic etching using masks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
-
- 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
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/1015—Shape
- H01L2924/10155—Shape being other than a cuboid
- H01L2924/10158—Shape being other than a cuboid at the passive surface
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Bipolar Transistors (AREA)
Description
DEUTSCHESGERMAN
Die Erfindung betrifft eine Halbleiteranordnung mit Kollektorelektrode, insbesondere einen Transistor für hohe Frequenzen und große Verlustleistungen, bei der zwischen Kollektor- und Basiselektrode eine Zone aus intrinsic-leitendetn Halbleitermaterial liegt.The invention relates to a semiconductor arrangement with a collector electrode, in particular a transistor for high frequencies and large power losses, with a zone between the collector and base electrode made of intrinsic conductive semiconductor material.
Es ist bekannt, daß der Frequenzbereich eines Flächentransistors zu höheren Frequenzen hin erweitert werden kann, wenn man zwischen Kollektor- und Basiselektrode eine intrinsic-leitende Zone schaltet und damit einen Transistor mit pnip- bzw. npin-Zonenfolge erhält. Die Raumladungszone am Kollektorübergang breitet sich dann im wesentlichen in der i-Zone aus. Damit kann die Basiszone sehr dünn gemacht und so die Laufzeit der Ladungsträger verringert werden, ohne daß ein Kurzschluß durch die mit der Kollektorspannung wachsende Raumladungszone zwischen Kollektor und Emitter auftritt. Außerdem kann man den Basiswiderstand gering machen, ohne die Kollektordurchbruchspannung zu beeinflussen, da diese nun allein durch den elektrischen Durchbruch der i-Zone bestimmt wird. Weiter wird durch die i-Zone der »Plattenabstand«, der für die Kollektorkapazität und damit für die obere Grenzfrequenz bestimmend ist, vergrößert.It is known that the frequency range of a junction transistor expands towards higher frequencies can be achieved if an intrinsic conductive zone is connected between the collector and base electrodes and thus receives a transistor with a pnip or npin zone sequence. The space charge zone at the collector junction then essentially spreads in the i-zone. With this, the base zone can be made very thin and so the running time of the charge carriers can be reduced without causing a short circuit through the with The space charge zone between the collector and the emitter, which increases with the collector voltage. aside from that you can make the base resistance low without affecting the collector breakdown voltage, because this is now determined solely by the electrical breakdown of the i-zone. Further through the i-zone is the »plate spacing«, which determines the collector capacity and thus the upper limit frequency is enlarged.
Eine weitere Verringerung der Kollektorkapazität kann durch die Verminderung der Kollektorfläche erzielt werden. Andererseits ist aber die zulässige Verlustleistung bei Leitungstransistoren um so größer, je größer die Kollektorfläche ist, da die durch die Verlustleistung hervorgerufene Wärme über den Kollektor abgeführt wird.A further reduction in the collector capacity can be achieved by reducing the collector area will. On the other hand, however, the permissible power loss in line transistors is greater, the more the collector surface is larger, as the heat generated by the power dissipation passes through the collector is discharged.
Offensichtlich widersprechen sich beide Forderungen nach gutem Hochfrequenzverhalten und großer Verlustleistung eines Transistors bei den bekannten Anordnungen, und es ist bei diesen daher nur ein Kornpromiß möglich.Obviously, both claims contradict each other good high-frequency behavior and high power dissipation of a transistor in the known arrangements, and therefore only one compromise is possible with these.
Durch die Erfindung wird eine Halbleiteranordnung ermöglicht, die es erlaubt, große Verlustleistungen mit gutem Hochfrequenzverhalten, insbesondere kleiner Kollektorkapazität, zu kombinieren. Die Erfindung bezieht sich daher auf einen Transistor, insbesondere für hohe Frequenzen und große Verlustleistung, bei dem zwischen Kollektor- und Basiselektrode eine Zone aus etwa intrinsic-leitendem Halbleitermaterial liegt. Erfindungsgemäß nimmt der Querschnitt der etwa intrinsic-leitenden Zone mit zunehmender Entfernung vom Kollektor so ab, daß die Fläche der etwa intrinsic-leitenden Zone am Kollektorübergang größer als die gegenüberliegende Fläche am Übergang an der dem Kollektor abgewandten Seite ist.The invention enables a semiconductor arrangement which allows large power losses to combine with good high frequency behavior, especially small collector capacitance. The invention therefore refers to a transistor, especially for high frequencies and high power dissipation between the collector and base electrodes there is a zone made of approximately intrinsic conductive semiconductor material. According to the invention, the cross section of the approximately intrinsic conductive zone increases with increasing distance from the collector so that the area of the approximately intrinsic conductive zone at the collector junction is greater than the opposite surface is at the transition on the side facing away from the collector.
Es ist zwar eine Halbleiteranordnung bekannt, bei der sich der Querschnitt der Intrinsic-Zone ändert. Bei dieser bekannten Halbleiteranordnung ist aber die intrinsic-leitende Zone sperrfrei mit der Kollektor-Halbleiteranordnung A semiconductor arrangement is known in which the cross section of the intrinsic zone changes. In this known semiconductor arrangement, however, the intrinsic conductive zone is non-blocking with the collector semiconductor arrangement
mit Kollektorelektrode,with collector electrode,
insbesondere Transistor für hoheespecially transistor for high
Frequenzen und große VerlustleistungFrequencies and large power dissipation
Anmelder:
Siemens & Halske Aktiengesellschaft,Applicant:
Siemens & Halske Aktiengesellschaft,
Berlin und München,
München 2, Wittelsbacherplatz 2Berlin and Munich,
Munich 2, Wittelsbacherplatz 2
Dr. Adolf Götzberger, Palo Alto, Calif. (V. St. Α.),
ist als Erfinder genannt wordenDr. Adolf Götzberger, Palo Alto, Calif. (V. St. Α.),
has been named as the inventor
elektrode kontaktiert und bildet damit also selbst die Kollektorzone. Das hat zur Folge, daß die Kollektordurchbruchepannung sehr stark von der Dicke bzw. der Dotierung der Basisschicht abhängt. Außerdem ist die Querschnittsabnahme der intrinsic-leitenden Zone gerade umgekehrt wie bei der Halbleiteranordnung gemäß der Erfindung. Die Kollektorfläche ist also klein und somit die Anordnung nicht für große Verlustleistungen geeignet.electrode makes contact and thus forms the collector zone itself. This has the consequence that the collector breakdown voltage depends very much on the thickness or the doping of the base layer. In addition, the cross-sectional decrease is intrinsic-conductive Zone just the opposite of that in the case of the semiconductor device according to the invention. The collector area is so small and thus the arrangement is not suitable for large power losses.
Eine nähere Erläuterung der Erfindung wird durch die folgende Beschreibung der Figuren gegeben:A more detailed explanation of the invention is given by the following description of the figures:
In Fig. 1 ist als Ausführungsbeispiel ein pnip-Transistor dargestellt, bei dem gemäß der Erfindung der Querschnitt der intrinsic-leitenden oder nahezu intrinsic-leitenden Zone 4 vom p-dotierten Kollektor 5 bis zur Basiszone 3 hin stetig abnimmt. 6 ist die Kollektorpille. In dieser Anordnung ist der Kollektor 5 großflächig ausgebildet, und damit ist die Wärmeableitung, d. h. die mögliche Verlustleistung, groß. Die Kapazität kann trotzdem sehr klein gehalten werden, da die für die Kollektorkapazität maßgebende Fläche durch die der Basiszone 3 zugewandte Begrenzungsfläche der vom Kollektor ausgehenden Raumladungszone bestimmt ist, deren Querschnitt kleiner ist als der Kollektorquerschnitt. Wenn insbesondere die Raumladungszone bis zur hochdotierten und damit einen kleinen Basiswiderstand aufweisenden n-Zone 3 durchgreift, ist nur die Fläche F der Basiszone 3 für die Kollektorkapazität maßgebend. Die Verlustleistung fällt in der felderfüllten i-Zone an, also in den nahe am Kollektor gelegenen Gebieten, die in enge Verbindung mit einem gut wärmeleitenden Metall gebracht werden können. In die η-leitende Basiszone 31 shows an exemplary embodiment of a pnip transistor in which, according to the invention, the cross section of the intrinsic-conducting or almost intrinsic-conducting zone 4 decreases steadily from the p-doped collector 5 to the base zone 3. 6 is the collector pill. In this arrangement, the collector 5 is formed over a large area, and thus the heat dissipation, ie the possible power loss, is large. The capacitance can nevertheless be kept very small, since the area decisive for the collector capacitance is determined by the boundary surface of the space charge zone, which faces the base zone 3 and which emanates from the collector and whose cross-section is smaller than the collector cross-section. If, in particular, the space charge zone reaches through to the highly doped n-zone 3, which therefore has a small base resistance, only the area F of the base zone 3 is decisive for the collector capacitance. The power loss occurs in the field-filled i-zone, i.e. in the areas close to the collector that can be brought into close contact with a metal that conducts heat well. In the η-conductive base zone 3
009 678/431009 678/431
Claims (8)
gleichen Leitfähigkeitstypus erzeugen, wie ihn dieIn Fig. 2b also the space charge zone 8 is in place, for. B. arsenic or antimony, then diffuse cross-section indicated, as it is called in a known because of its, compared to the gallium and aluminum arrangement through the collector barrier layer 5 through the high diffusion speed further into the half. Since the parts of the space charge zone 8, conductor disc 4 as the p-type impurities, and it forms the surfaces 9 and 10 shown in the cross section of FIG - η-conductive semiconductor zone. Diffuse n-type impurities from the film, also deviating from the specific resistance of zone 4, deliver into the semiconductor-dependent part of the collector capacitance, in the case of the disk 4, so that the base zone 3 is formed. Semiconductor arrangement according to the invention is no longer present During diffusion, the base zone can be present, it is not absolutely necessary, 55 if necessary also to be contacted, thus a pnip zone sequence is obtained as starting material for zone 4. Now the electrodes will use high-resistance material. You can now covered and the decrease in cross-section of zone 4 by the resistivity of zone 4 and their appropriate measures, e.g. B. by etching achieved. Choose the thickness in such a way that the operating voltage is essential in this process that the transverse space charge zone of the collector boundary layer is only cut at the point where the electrodes are connected to the base zone 3 and the collector, i.e. the finished system, is made . The base capacitance does not exceed a value determined by the operating frequency. In a further reduction, because of the small dimensions, design of the invention, the zone 4, which then has the semiconductor wafer, would be very poorly doped with impurities, which are particularly favorable for the 65,
generate the same conductivity type as the
Deutsche Auslegeschriften Nr. 1 035 780, 1 035 787.Considered publications:
German Auslegeschriften No. 1 035 780, 1 035 787.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL242556D NL242556A (en) | 1958-08-27 | ||
DES59587A DE1094886B (en) | 1958-08-27 | 1958-08-27 | Semiconductor arrangement with collector electrode, especially transistor for high frequencies and high power dissipation |
FR802552A FR1232180A (en) | 1958-08-27 | 1959-08-11 | Transistor for high frequencies and high power dissipation |
CH7712859A CH384720A (en) | 1958-08-27 | 1959-08-19 | Transistor and process for its manufacture |
GB2934859A GB876332A (en) | 1958-08-27 | 1959-08-27 | Improvements in or relating to semi-conductor devices and methods of producing such devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES59587A DE1094886B (en) | 1958-08-27 | 1958-08-27 | Semiconductor arrangement with collector electrode, especially transistor for high frequencies and high power dissipation |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1094886B true DE1094886B (en) | 1960-12-15 |
Family
ID=7493419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DES59587A Pending DE1094886B (en) | 1958-08-27 | 1958-08-27 | Semiconductor arrangement with collector electrode, especially transistor for high frequencies and high power dissipation |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH384720A (en) |
DE (1) | DE1094886B (en) |
FR (1) | FR1232180A (en) |
GB (1) | GB876332A (en) |
NL (1) | NL242556A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1212215B (en) * | 1961-07-12 | 1974-03-28 | SEMICONDUCTOR COMPONENT WITH A PLATE-SHAPED SEMICONDUCTOR BODY WITH PN TRANSITION SURFACES |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1052661A (en) * | 1963-01-30 | 1900-01-01 | ||
US3697829A (en) * | 1968-12-30 | 1972-10-10 | Gen Electric | Semiconductor devices with improved voltage breakdown characteristics |
JPS58170044A (en) * | 1982-03-31 | 1983-10-06 | Fujitsu Ltd | Semiconductor element |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1035780B (en) * | 1955-08-29 | 1958-08-07 | Ibm Deutschland | Transistor with intrinsic zone |
DE1035787B (en) * | 1954-08-05 | 1958-08-07 | Siemens Ag | A method for producing a semiconductor device with several UEbergaengen, e.g. B. surface transistors |
-
0
- NL NL242556D patent/NL242556A/xx unknown
-
1958
- 1958-08-27 DE DES59587A patent/DE1094886B/en active Pending
-
1959
- 1959-08-11 FR FR802552A patent/FR1232180A/en not_active Expired
- 1959-08-19 CH CH7712859A patent/CH384720A/en unknown
- 1959-08-27 GB GB2934859A patent/GB876332A/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1035787B (en) * | 1954-08-05 | 1958-08-07 | Siemens Ag | A method for producing a semiconductor device with several UEbergaengen, e.g. B. surface transistors |
DE1035780B (en) * | 1955-08-29 | 1958-08-07 | Ibm Deutschland | Transistor with intrinsic zone |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1212215B (en) * | 1961-07-12 | 1974-03-28 | SEMICONDUCTOR COMPONENT WITH A PLATE-SHAPED SEMICONDUCTOR BODY WITH PN TRANSITION SURFACES | |
DE1212215C2 (en) * | 1961-07-12 | 1974-03-28 | SEMICONDUCTOR COMPONENT WITH A PLATE-SHAPED SEMICONDUCTOR BODY WITH PN-TRANSITION AREAS |
Also Published As
Publication number | Publication date |
---|---|
NL242556A (en) | |
FR1232180A (en) | 1960-10-06 |
GB876332A (en) | 1961-08-30 |
CH384720A (en) | 1965-02-26 |
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