JPH0322067U - - Google Patents

Info

Publication number
JPH0322067U
JPH0322067U JP8050289U JP8050289U JPH0322067U JP H0322067 U JPH0322067 U JP H0322067U JP 8050289 U JP8050289 U JP 8050289U JP 8050289 U JP8050289 U JP 8050289U JP H0322067 U JPH0322067 U JP H0322067U
Authority
JP
Japan
Prior art keywords
crucible
molecular beam
coated
pbn
graphite
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.)
Granted
Application number
JP8050289U
Other languages
Japanese (ja)
Other versions
JPH0619569Y2 (en
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 filed Critical
Priority to JP1989080502U priority Critical patent/JPH0619569Y2/en
Publication of JPH0322067U publication Critical patent/JPH0322067U/ja
Application granted granted Critical
Publication of JPH0619569Y2 publication Critical patent/JPH0619569Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

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

第１図は本考案の第１の実施例に係るＰＢＮる
つぼの近傍を含む縦断面図。第２図は本考案の第
２の実施例に係るＰＢＮるつぼの近傍を含む縦断
面図。第３図は本考案の第３の実施例に係るＰＢ
Ｎるつぼの縦断面図。第４図は本考案の第４の実
施例に係るＰＢＮるつぼの縦断面図。第５図は実
開昭６３−１９９１７２号で提案されたＰＢＮる
つぼの縦断面図。第６図はＰＢＮとパイロリテイ
ツクグラフアイトの温度による放射率の変化を示
す図である。 １……るつぼ、２……ヒータ、２……反射板、
４……熱電対、６……パイロリテイツクグラフア
イト被覆、７……ヒータ。 FIG. 1 is a longitudinal sectional view including the vicinity of a PBN crucible according to a first embodiment of the present invention. FIG. 2 is a longitudinal sectional view including the vicinity of a PBN crucible according to a second embodiment of the present invention. Figure 3 shows a PB according to the third embodiment of the present invention.
A vertical cross-sectional view of the N crucible. FIG. 4 is a longitudinal sectional view of a PBN crucible according to a fourth embodiment of the present invention. FIG. 5 is a longitudinal cross-sectional view of the PBN crucible proposed in Utility Model Application Publication No. 199172/1983. FIG. 6 is a diagram showing changes in emissivity depending on temperature of PBN and pyrolytic graphite. 1... Crucible, 2... Heater, 2... Reflector,
4...Thermocouple, 6...Pyrolitic graphite coating, 7...Heater.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 分子線結晶成長装置の分子線セルに用いられる
ＰＢＮ製るつぼであつて、るつぼの外周上部のみ
にパイロリテイツクグラフアイトを被覆するか、
或はるつぼ外周の上部にゆくほど被覆率が増える
ようにパイロリテイツクグラフアイトを被覆する
事を特徴とする分子線セルのＰＢＮるつぼ。 A PBN crucible used in a molecular beam cell of a molecular beam crystal growth apparatus, in which only the upper outer periphery of the crucible is coated with pyrolitic graphite, or
Alternatively, a PBN crucible for a molecular beam cell is characterized in that it is coated with pyrolytic graphite so that the coverage increases toward the top of the crucible's periphery.
JP1989080502U 1989-07-07 1989-07-07 Molecular beam cell PBN crucible Expired - Lifetime JPH0619569Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989080502U JPH0619569Y2 (en) 1989-07-07 1989-07-07 Molecular beam cell PBN crucible

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989080502U JPH0619569Y2 (en) 1989-07-07 1989-07-07 Molecular beam cell PBN crucible

Publications (2)

Publication Number Publication Date
JPH0322067U true JPH0322067U (en) 1991-03-06
JPH0619569Y2 JPH0619569Y2 (en) 1994-05-25

Family

ID=31625621

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989080502U Expired - Lifetime JPH0619569Y2 (en) 1989-07-07 1989-07-07 Molecular beam cell PBN crucible

Country Status (1)

Country Link
JP (1) JPH0619569Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020093975A (en) * 2018-12-07 2020-06-18 昭和電工株式会社 Crystal growth apparatus and crucible

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60200895A (en) * 1984-03-23 1985-10-11 Agency Of Ind Science & Technol Ejection cell structure of molecular beam crystal growth device
JPS63199172U (en) * 1987-06-12 1988-12-21
JPH02204391A (en) * 1989-02-03 1990-08-14 Hitachi Ltd Crucible for molecular beam source

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60200895A (en) * 1984-03-23 1985-10-11 Agency Of Ind Science & Technol Ejection cell structure of molecular beam crystal growth device
JPS63199172U (en) * 1987-06-12 1988-12-21
JPH02204391A (en) * 1989-02-03 1990-08-14 Hitachi Ltd Crucible for molecular beam source

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020093975A (en) * 2018-12-07 2020-06-18 昭和電工株式会社 Crystal growth apparatus and crucible

Also Published As

Publication number Publication date
JPH0619569Y2 (en) 1994-05-25

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Legal Events

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EXPY Cancellation because of completion of term