JPS6045012A - Short-time heat treatment device - Google Patents

Short-time heat treatment device

Info

Publication number
JPS6045012A
JPS6045012A JP15376783A JP15376783A JPS6045012A JP S6045012 A JPS6045012 A JP S6045012A JP 15376783 A JP15376783 A JP 15376783A JP 15376783 A JP15376783 A JP 15376783A JP S6045012 A JPS6045012 A JP S6045012A
Authority
JP
Japan
Prior art keywords
substrate
heat treatment
gas
treated
short
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
Application number
JP15376783A
Other languages
Japanese (ja)
Inventor
Katsuya Okumura
勝弥 奥村
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP15376783A priority Critical patent/JPS6045012A/en
Publication of JPS6045012A publication Critical patent/JPS6045012A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture 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
    • H01L21/18Manufacture 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

Abstract

PURPOSE:To heat a substrate uniformly and moreover having favorable efficiency, and to prevent the substrate from contamination by a method wherein the substrate of the member to be treated is heated in a floating condition. CONSTITUTION:A gas reservoir part 24 is formed inside of a pedestal 21 directly under the putting region 22 for the member to be treated, the gas reservoir part 24 thereof is connected to a gas source through a gas feed path 25, and one edge thereof is communicated to gas jet holes 26 of a large number of pieces opened to the putting region 22 for the member to be treated. The substrate 27 as the member to be treated is held in a floating condition according to gas jetted from the gas jet holes 26 using a short-time heat treatment device 30 constructed in such a way. Then, a shutter 23 is opened, and the temperature of the substrate is risen rapidly according to a heater 20 to perform short-time heat treatment. After heat treatment is finished, the shutter 23 is closed, gas feed is cut, the substrate 27 is put on the putting region 22 for the member to be treated, and the substrate 27 is taken out from the pedestal 21 to complete heat treatment.

Description

【発明の詳細な説明】 〔発明の技術分野〕 本発明は、短時間熱処理装置に関する。[Detailed description of the invention] [Technical field of invention] The present invention relates to a short-time heat treatment apparatus.

〔発明の技術的背景〕[Technical background of the invention]

近年、半導体装置の製造に用いられるシリコン基板は大
口径になり、しかも、半導体素子の方は微細化されてい
る。このため、半導体装置の製造に使用される熱処理炉
中での工程である例えば、燐化ガラス等の溶融工程や気
相成長法で形成した8i0.膜の緻密(デンシファイ)
化等のための熱処理工程を短時間熱処理法にて行うこと
が試みられている。これは、半導体素子が微細化される
に従って素子を構成する拡散層の深さが浅くなり、熱処
理温度、時間に制限が加えられたためである。而して、
このような短時間の熱処理を行う熱処理装置は、基板を
赤外線ランプやヒータで急速に加熱し、熱処理時間を1
0〜60秒の範囲に短縮している。
In recent years, silicon substrates used for manufacturing semiconductor devices have become larger in diameter, and semiconductor elements have also become smaller. For this reason, the 8i0. Membrane densification
Attempts have been made to carry out the heat treatment process for oxidation, etc. using a short-time heat treatment method. This is because as semiconductor elements become smaller, the depth of the diffusion layer constituting the element becomes shallower, and restrictions are placed on heat treatment temperature and time. Then,
Heat treatment equipment that performs such short-time heat treatment rapidly heats the substrate with an infrared lamp or heater, reducing the heat treatment time to 1.
The time has been shortened to a range of 0 to 60 seconds.

第1図は、従来の熱処理装置の概略構成を示す説明図で
ある。図中1は、基台2に対向して設けられたヒータで
ある。被処理体である基板3は、基台2の表面上に形成
された凸起部4に載置されるようになっている。これは
、基板3の裏面と基台2とが全面的に接触していると。
FIG. 1 is an explanatory diagram showing a schematic configuration of a conventional heat treatment apparatus. Reference numeral 1 in the figure is a heater provided opposite to the base 2. A substrate 3, which is an object to be processed, is placed on a protrusion 4 formed on the surface of the base 2. This means that the back surface of the substrate 3 and the base 2 are in full contact with each other.

ヒータlからの熱が基板3の裏面を通して基台2に逃げ
てしまい、効果内力加熱ができなくなるのを防止するた
めである。また、基台2側から基板3に向って汚染が起
きるのを防止するためである。
This is to prevent the heat from the heater 1 from escaping to the base 2 through the back surface of the substrate 3, making it impossible to perform effective internal heating. This is also to prevent contamination from occurring from the base 2 side toward the substrate 3.

〔背景技術の問題点〕[Problems with background technology]

上述の如き熱処理装置10では、加熱の際の基板3の温
度が凸起部3と接触している個所で低くなり、基板面内
の温度を均一に上昇させることができない。その結果、
基板3に均一な溶融処理や緻密処理を施すことができず
、熱歪が起きる問題があった。更に、基板3と基台2が
凸起部4を介して接触しているため、依然、基板3の汚
染を十分に防ぐことができなかった。
In the heat treatment apparatus 10 as described above, the temperature of the substrate 3 during heating becomes low at the portions where it is in contact with the protrusions 3, making it impossible to uniformly increase the temperature within the surface of the substrate. the result,
There was a problem in that the substrate 3 could not be subjected to uniform melting processing or dense processing, and thermal distortion occurred. Furthermore, since the substrate 3 and the base 2 are in contact with each other via the protruding portion 4, contamination of the substrate 3 still cannot be sufficiently prevented.

〔発明の目的〕[Purpose of the invention]

本発明は、基板を均一に、かつ、効率よく加熱すると共
に、基板の汚染防止を達成した短時間熱処理装置を提供
することをその目的とするものである。
An object of the present invention is to provide a short-time heat treatment apparatus that heats a substrate uniformly and efficiently and prevents contamination of the substrate.

〔発明の概要〕[Summary of the invention]

本発明は被処理体である基板を浮遊した状態で加熱する
ようにして、基板を均一に、かつ。
The present invention heats the substrate, which is an object to be processed, in a floating state, thereby uniformly heating the substrate.

効率よく加熱すると共に、基板の汚染防止を達成した短
時間熱処理装置を提供することをその目的とするもので
ある。
The object of the present invention is to provide a short-time heat treatment apparatus that can efficiently heat the substrate and prevent contamination of the substrate.

以下1本発明の実施例について図面を参照して説明する
An embodiment of the present invention will be described below with reference to the drawings.

第2図は1本発明の一実施例の概略構成を示す断面図で
ある。図中20は、基台21の被処理体載置領域22に
対向して設けられた加熱器である。加熱器20は、例え
ば面状ヒータで形成されている。加熱器20と基台2ノ
の間には。
FIG. 2 is a sectional view showing a schematic configuration of an embodiment of the present invention. In the figure, reference numeral 20 denotes a heater provided opposite to the object-to-be-processed mounting area 22 of the base 21 . The heater 20 is formed of, for example, a planar heater. Between the heater 20 and the base 2.

シャッター23が設けられている。被処理体載置領域2
2は、加熱器20に対向した基台2ノの一生面に形成し
た凹部の底面になっている。
A shutter 23 is provided. Processed object placement area 2
2 is the bottom surface of a concave portion formed on the entire surface of the base 2 facing the heater 20.

被処理体載置領域22の直下の水含21の内部には、ガ
ス溜部24が形成されている。ガス溜部24は、ガス供
給通路25を介して図示しないガス源に接続されている
。ガス溜部24は。
A gas reservoir 24 is formed inside the water container 21 directly below the object placement area 22 . The gas reservoir 24 is connected to a gas source (not shown) via a gas supply passage 25. The gas reservoir section 24 is.

一端が被処理体載置領域22に開口した多数個のガス噴
出孔26と連通している。ガス溜部24は、ガス源から
供給されたガスをガス噴出孔26から均一に噴出させる
だめのものである。
One end communicates with a large number of gas ejection holes 26 that are open to the object mounting area 22 . The gas reservoir section 24 is for uniformly ejecting the gas supplied from the gas source from the gas ejection holes 26.

ガスとしては、A r 、 He等の不活性ガスを使用
するのが望ましい。また、被処理体載置領域22を凹部
の底面としたのは、後述するように被処理体である基板
21が、ガスによって浮遊した際に凹部の内壁面によっ
て、基板22が基台21から飛び出すのを防止するため
である。
As the gas, it is desirable to use an inert gas such as Ar or He. Moreover, the reason why the object to be processed placement area 22 is the bottom surface of the recess is that when the object to be processed, the substrate 21, is suspended by the gas, the inner wall surface of the recess moves the substrate 22 away from the base 21, as will be described later. This is to prevent it from flying out.

このように構成された短時間熱処理装置−30−によれ
ば、ガス噴出孔26から噴出するガスによって浮遊した
状態で被処理体である基板27を保持させる。次いで、
シャッター23を開け、加熱器20により急速に基板温
度を上昇させて。
According to the short-time heat treatment apparatus -30- configured in this manner, the substrate 27, which is the object to be processed, is held in a suspended state by the gas ejected from the gas ejection holes 26. Then,
The shutter 23 is opened and the substrate temperature is rapidly raised using the heater 20.

短時間処理を行う。熱処理後、シャッター23を閉じ、
ガスの供給を断って基板27を被処理体載置領域22に
載置し、基台21から基板27を取り出して加熱処理を
完了する。
Performs short-time processing. After the heat treatment, close the shutter 23,
The gas supply is cut off, the substrate 27 is placed on the object-to-be-processed placement area 22, and the substrate 27 is taken out from the base 21 to complete the heat treatment.

このように基板27は基台21と離間して浮遊した状態
で加熱されるので、放熱を抑えて極めて効率よく短時間
に所定温度まで均一に加熱される。しかも、加熱処理中
は、基板27がガスによって浮遊した状態になっている
ので、基板21が汚染するのを阻止することができる。
In this way, the substrate 27 is heated while floating apart from the base 21, so that heat radiation is suppressed and the substrate 27 is heated extremely efficiently and uniformly to a predetermined temperature in a short period of time. Moreover, since the substrate 27 is suspended by the gas during the heat treatment, contamination of the substrate 21 can be prevented.

〔発明の効果〕〔Effect of the invention〕

以上説明した如く1本発明に係る短時間熱処理装置によ
れば、基板を均一に、かつ、効率よく加熱すると共に、
基板の汚染を防止できる等顕著な効果を奏するものであ
る。
As explained above, according to the short-time heat treatment apparatus according to the present invention, a substrate can be heated uniformly and efficiently, and
This has remarkable effects such as being able to prevent contamination of the substrate.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は、従来の熱処理装置の概略構成を示す断面図、
第2図は1本発明の一実施例の概略構成を示す1′¥1
jlli′1図である。 20・・・加熱器、21・・・基台%22・・・被処理
体載置領域、23・・・シャッター、24・・・ガス溜
部。 25・・・ガス供給通路、26・・・ガス噴出孔、27
・・・基板、30・・・短時間加熱処理装置。
FIG. 1 is a sectional view showing the schematic configuration of a conventional heat treatment apparatus;
Figure 2 shows a schematic configuration of an embodiment of the present invention.
jlli′1 diagram. 20... Heater, 21... Base %22... Processed object mounting area, 23... Shutter, 24... Gas reservoir section. 25... Gas supply passage, 26... Gas ejection hole, 27
. . . Substrate, 30 . . . Short-time heat treatment device.

Claims (1)

【特許請求の範囲】[Claims] ガス供給通路に連通したガス溜部を内部に形成した基台
と、該基台の一主面に設けられた被処理体載置領域と、
一端が該被処理体載置領域で開口し、かつ、他端が前記
ガス溜部に連通した多数個のガス噴出孔と、前記被処理
体載置領域に対向して設けられた加熱器とを具備するこ
とを特徴とする短時間熱処理装置。
a base having a gas reservoir formed therein that communicates with a gas supply passage; a processing object mounting area provided on one main surface of the base;
a plurality of gas ejection holes, one end of which opens in the object-to-be-processed area and the other end communicates with the gas reservoir, and a heater provided opposite to the object-to-be-processed area. A short-time heat treatment apparatus characterized by comprising:
JP15376783A 1983-08-23 1983-08-23 Short-time heat treatment device Pending JPS6045012A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15376783A JPS6045012A (en) 1983-08-23 1983-08-23 Short-time heat treatment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15376783A JPS6045012A (en) 1983-08-23 1983-08-23 Short-time heat treatment device

Publications (1)

Publication Number Publication Date
JPS6045012A true JPS6045012A (en) 1985-03-11

Family

ID=15569682

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15376783A Pending JPS6045012A (en) 1983-08-23 1983-08-23 Short-time heat treatment device

Country Status (1)

Country Link
JP (1) JPS6045012A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999041777A1 (en) * 1998-02-13 1999-08-19 Seiko Epson Corporation Method of producing semiconductor device and heat treating apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57147237A (en) * 1981-03-06 1982-09-11 Sony Corp Heat treatment device
JPS59215718A (en) * 1983-05-23 1984-12-05 Kokusai Electric Co Ltd Infrared heat treatment apparatus for semiconductor wafer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57147237A (en) * 1981-03-06 1982-09-11 Sony Corp Heat treatment device
JPS59215718A (en) * 1983-05-23 1984-12-05 Kokusai Electric Co Ltd Infrared heat treatment apparatus for semiconductor wafer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999041777A1 (en) * 1998-02-13 1999-08-19 Seiko Epson Corporation Method of producing semiconductor device and heat treating apparatus
US6187616B1 (en) 1998-02-13 2001-02-13 Seiko Epson Corporation Method for fabricating semiconductor device and heat treatment apparatus

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