JPS59186338A - Boat elevator - Google Patents

Boat elevator

Info

Publication number
JPS59186338A
JPS59186338A JP6246383A JP6246383A JPS59186338A JP S59186338 A JPS59186338 A JP S59186338A JP 6246383 A JP6246383 A JP 6246383A JP 6246383 A JP6246383 A JP 6246383A JP S59186338 A JPS59186338 A JP S59186338A
Authority
JP
Japan
Prior art keywords
boat
arm
elevator
receiving
receiving arm
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
JP6246383A
Other languages
Japanese (ja)
Other versions
JPH0220136B2 (en
Inventor
Yoichi Mido
御堂 洋一
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP6246383A priority Critical patent/JPS59186338A/en
Publication of JPS59186338A publication Critical patent/JPS59186338A/en
Publication of JPH0220136B2 publication Critical patent/JPH0220136B2/ja
Granted 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
    • H01L21/67Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/67005Apparatus not specifically provided for elsewhere
    • H01L21/67242Apparatus for monitoring, sorting or marking
    • H01L21/67259Position monitoring, e.g. misposition detection or presence detection
    • 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
    • H01L21/67Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/68Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for positioning, orientation or alignment

Landscapes

  • Engineering & Computer Science (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)

Abstract

PURPOSE:To set the boat receiving arm stop position corresponding to each quartz tube in the diffusion furnace by moving forward or backward the boat receiving arm which moves the board receiving board mounting semiconductor wafers by the linear movement of arm axis and by controlling the motor which drives the boat receiving arm with a plurality of position detection sensor. CONSTITUTION:The boat receiving arms 40 arranged face to face are joined by a coupling plate 39, an arm axis 23 is provided to the elevator 21 through such coupling plate. With such structure, a motor 37 for driving the arm 40 and an intermediate axis 33 interlocked thereto are provided in the elevator 22 and a plurality of position detection sensors 30a-30e are provided through it with interval by the shielding plates 31a-31e. After the stop position of elevator 22 is determined by the sensors 30a-30e, the motor 37 is stopped and the arm 40 is positioned to the desired location.

Description

【発明の詳細な説明】 この発明は、半導体ウェハの拡散工程中において、この
半導体ウェハを収納して熱処理治具として用いられるボ
ートエレベータに関するものである。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a boat elevator that accommodates semiconductor wafers and is used as a heat treatment jig during a semiconductor wafer diffusion process.

第1図は従来のこの種ボートエレベータを示す斜視図で
、(1)は半導体ウエノ・に、シリコン酸化膜まだは窒
化膜などの皮膜形成処理、あるいはPN接合を作るだめ
の不純物拡散処理などを行なう拡散炉、(2)はこの拡
散炉の前面に設けられた複数の石英管、(3)は多数の
半導体ウェハ、(4)はこの多数の半導体ウェハ(3)
を直立状態に並列して載置しまたボート、f5)は上記
拡散炉filの石英管(2)内にボート(4)を移送案
内するボート受台、(6)は上記ボート(4)を石英管
(2)を経て拡散炉(1)内に出し入れする引出棒、(
7)は上記ボート受台(5)を載置し、所定間隔をあけ
て複数の切欠き(ga)(8b)を形成したボート受棚
、(9)はボート(4)を載置したままの状態で、ボー
ト受台(5)をボート受棚(7)と、ボート送り装置0
7)との間に置き換えるエレベータ本体、 (10a)
(10b)は上記ボート受台(5)を載置するボート受
アームで、回転するクランク(1カに連結きれたリンク
(11)によって矢印(8)の方向に往復移動するよう
に構成されている。(13)(13+は上記エレベータ
本体(9)を矢印(B)の方向に昇降てせるための一対
のガイド軸で、上記エレベータ本体(9)は、昇降駆動
装置(16)のスプロケット・ホイール(15)の正逆
回転により、チェーン(1(1)を介して所定ストロー
クを昇降し得るように構成されている。
Figure 1 is a perspective view showing a conventional boat elevator of this type. (1) shows a semiconductor wafer that has been subjected to a film forming process such as a silicon oxide film or a nitride film, or an impurity diffusion process to create a PN junction. (2) is a plurality of quartz tubes provided in the front of this diffusion furnace, (3) is a large number of semiconductor wafers, and (4) is this large number of semiconductor wafers (3).
are placed in parallel in an upright state, and f5) is a boat cradle for guiding the transfer of the boat (4) into the quartz tube (2) of the diffusion furnace fil, and (6) is a boat for guiding the boat (4) into the quartz tube (2) of the diffusion furnace fil. A pull-out rod (
7) is a boat cradle on which the boat pedestal (5) is placed, and a plurality of notches (ga) (8b) are formed at predetermined intervals, and (9) is a boat cradle on which the boat (4) is placed. In this state, connect the boat cradle (5) to the boat cradle (7) and the boat feeder 0.
7) Elevator body to be replaced between (10a)
(10b) is a boat support arm on which the boat support (5) is placed, and is configured to reciprocate in the direction of arrow (8) by means of a rotating crank (link (11) connected to one arm). (13) (13+ is a pair of guide shafts for raising and lowering the elevator main body (9) in the direction of the arrow (B), and the elevator main body (9) is connected to the sprocket of the lifting drive device (16). It is configured to be able to move up and down a predetermined stroke via a chain (1 (1)) by rotating the wheel (15) in forward and reverse directions.

従来のボートエレベータは上記のように構成されている
ので、ボート(4)を載置したボート受台(5)をボー
ト受棚(7)あ・らボート送シ装置aカに降ろす場合に
は、ます、昇降駆動装置(16)を起動してスプロケッ
トホイール(16)およびチェーン(141k 介して
エレベータ本体(9)を所定位置才で上昇させ、エレベ
ータ本体(9)のボート受アーム(10a)(10b)
がボート受棚(7)の切欠き(8a)(8b)の下側に
対応した位置で停止させる。次に、クランク(12)を
所定方向に回転させてリンク(II)を移動させ、上記
ボート受アーム(10a)(10b)をボート受台(5
)の下部に前進づせたあと、再び、エレベータ本体(9
)を上昇させると、このエレベータ本体(9)のボート
受アーム(10a)(10b)は切欠き(8a)(8b
)を通り抜けてボート(4)と共にボート受台(5)を
持ち上げ、ボート(4)の外方端折曲部(4a)が引出
棒(6)から外れる位置で停止するようになされている
。次に、再びクランク(12)を所定方向に回転させ、
リンク(I++によってボート受アーム(10a)(1
0b)をボート受台(5)と共に後退させ、エレベータ
本体(9)が元の位置に戻った状態から昇降駆動装置州
を起動してこのエレベータ本体(9)を下降させると、
ボート受台(5)はボート(4)と共にボート送り装置
(17)に移されるものである。なお、ボート受台(5
)をボー1− +4+と共にボート送9装置07)から
ボート受棚(7)に移動きせる動作は上述した動作と逆
動作で行なわれることはいうまでもない。
Conventional boat elevators are constructed as described above, so when lowering the boat pedestal (5) on which the boat (4) is placed onto the boat pedestal (7), , first, start the lift drive device (16) to raise the elevator body (9) to a predetermined position via the sprocket wheel (16) and chain (141k), and lift the boat receiving arm (10a) of the elevator body (9). 10b)
is stopped at a position corresponding to the lower side of the notches (8a) and (8b) of the boat receiving shelf (7). Next, the crank (12) is rotated in a predetermined direction to move the link (II), and the boat support arms (10a) (10b) are moved to the boat support (5).
), then move the elevator body (9) forward again.
), the boat receiving arms (10a) (10b) of the elevator main body (9) will open with the notches (8a) (8b).
), the boat (4) and the boat pedestal (5) are lifted up together with the boat (4), and the boat (4) is stopped at a position where the outer end bent portion (4a) is removed from the pull-out rod (6). Next, rotate the crank (12) in a predetermined direction again,
Boat receiving arm (10a) (1
0b) is retreated together with the boat pedestal (5), and when the elevator main body (9) returns to its original position, the elevator main body (9) is lowered by starting the lifting drive device state.
The boat pedestal (5) is transferred together with the boat (4) to the boat transport device (17). In addition, the boat cradle (5
It goes without saying that the operation of moving the boat 1-+4+ from the boat transport 9 device 07) to the boat receiving shelf (7) is performed in the opposite manner to the above-mentioned operation.

しかしながら、上述した従来のボートエレベータにおい
ては、ボート受アーム(10a)(10b)の前進また
け後退運動をクランク(12)のクランク運動によって
行なうようにしているため、その機能上クランク(12
)の上・下死点におけるボート受アームの移動停止精度
は良いが、上・下死点を外れると、移動停止精度が悪く
なるため、ボート受台(5)は1ボート受アーム(10
a)(10b)のストロークエンド、す乃、わちクラン
ク(12)の下死点においてボート受棚(7)上に位置
決めすることになり、ボート(4)の出し入れに対する
拡散炉(1)の各石英管(2)への芯出し作業も、クラ
ンク(12)の下死点で位置決め烙れたボート受台(5
)を基準にして行なわなければならす、その作業がきわ
めて面倒であるばかりでなく10スの多い作業規制が伴
なう欠点がある。
However, in the above-mentioned conventional boat elevator, the forward and backward movements of the boat receiving arms (10a) and (10b) are performed by the crank motion of the crank (12).
The movement stopping accuracy of the boat receiving arm at the top and bottom dead centers of
a) At the stroke end of (10b), the bottom dead center of the crank (12) is positioned on the boat rack (7), and the diffusion furnace (1) is Centering work for each quartz tube (2) is also done by positioning the boat cradle (5) at the bottom dead center of the crank (12).
), which is not only extremely troublesome, but also has the drawback of requiring many work restrictions.

この発明は、かかる点に着目して々され/ヒもので、ボ
ート受アームの停止位置を可動範囲で拡散炉の各石英管
に対応して設定1〜、かつ同一停止精度とすることによ
って、各石英管に対するボート受台のA整を対として簡
単に行なうことができるボートエレベータを提供しよう
とするものである。
This invention has been developed by focusing on this point, and by setting the stop position of the boat receiving arm in a movable range corresponding to each quartz tube of the diffusion furnace, and by setting the same stop position, It is an object of the present invention to provide a boat elevator in which the A-alignment of boat pedestals for each quartz tube can be easily performed as a pair.

すなわち、第2図および第8図は何れもこの発明の一実
施例を示すもので、(2謁はエレベータ本体で、一対の
ガイド軸(+3i (+3)に挿入された一対のガイド
軸受嬶)シ1)を介し昇降駆動装置(16)によって昇
降されるようになされている。(40j +40+は一
対のボート受アームで、このボート受アームは一対のス
ライダ(2[il f26!にそれぞれ固定された互い
に平行な一対のアーム軸(z3)(ハ)と一体をなす連
結板(39)の両端部に取付けられている。c′7)は
駆動モータで、この駆動モータは常時噛合する複数の歯
車(財))(3(へ)(2)を介して駆動軸(29)の
両端部に固着された一対の駆動プーリ□□□(ハ)に回
転力を伝達し、一対の継手0η0■および駆動ベル) 
j24j (24)を経て上記一対のスライダ(26)
 (2G+を同時に前進または後退させるために設けら
れたものである。(へ)は上記各歯車のうち、その中間
の歯車(3aによって回転駆動される中間軸で、この中
間軸(33jには、前進捷たは後退する上記ボート受ア
ーム(40i (40)の後退位置(実線で示す位置)
と、前進位置(1点鎖線で示す位置)とに設定するだめ
の複数の遮光板(81a)〜(lie)が一体に取付け
られている。
That is, both FIG. 2 and FIG. 8 show an embodiment of the present invention, in which the two audience members are the elevator main body, and a pair of guide shafts (a pair of guide bearings inserted into +3i (+3)). It is adapted to be raised and lowered by a lifting drive device (16) via a shaft 1). (40j +40+ is a pair of boat receiving arms, and this boat receiving arm is a connecting plate ( 39) is attached to both ends of the drive shaft (29). The rotational force is transmitted to a pair of drive pulleys □□□ (c) fixed to both ends of the
j24j (24) to the above pair of sliders (26)
(It is provided to move the 2G+ forward or backward at the same time. (F) is an intermediate shaft rotationally driven by the intermediate gear (3a) among the above gears, and this intermediate shaft (33j has a Retracted position of the boat receiving arm (40i (40)) that moves forward or retreats (position shown by solid line)
A plurality of light shielding plates (81a) to (lie) that are set at the forward position and the forward position (the position shown by the one-dot chain line) are integrally attached.

(80a) 〜(aoe)は上記各遮光板(81a) 
〜(ale)に対応して配設され、上記拡散炉fllの
石英管(2)の数量と同数の位置検出センサで、この各
位置検出センサは、それぞれに備えているランプの光が
、それぞれの遮光板(31a)〜(31e)によって透
過、捷たけ遮光することによってポート受アームf40
+ +40)の位置検出信号を出力するように構成され
ている。
(80a) to (aoe) are each of the above light shielding plates (81a)
~(ale), and the number of position detection sensors is the same as the number of quartz tubes (2) of the above-mentioned diffusion furnace flll, and each position detection sensor Port receiving arm f40 is transmitted by the light shielding plates (31a) to (31e) of
+ +40) is configured to output a position detection signal.

罰は第3図にも示すように、上記両スライダ弼し6)の
前進または後退時に、所定方向にガイドする一対のガイ
ド軸、QIlil(25)は一方を上記両駆動プーリ(
2→(2□□□に@掛けたベル) +241 +241
の他方が巻掛けられ、−M=jの支+tl+ (qa)
 (3s)によって回転自在に支承婆れた一対の従動プ
ーリである。
As shown in Fig. 3, a pair of guide shafts, QIlil (25), which guide the two sliders 6) in a predetermined direction when they move forward or backward move one side to the drive pulleys (25).
2 → (bell @ hung on 2□□□) +241 +241
The other side of is wrapped around, -M=j support+tl+ (qa)
(3s) are a pair of driven pulleys rotatably supported.

この発明のボートエレベータは上記のように構成されて
おり、エレベータ本体(24がガイド軸(+3i (1
31に沿って昇降する動作は、上述した従来のエレベー
タ本体(9)とll)J様のためその説明を省略する。
The boat elevator of the present invention is constructed as described above, and the elevator main body (24 is the guide shaft (+3i (1
The operation of going up and down along the line 31 is similar to the conventional elevator main body (9) and ll)J mentioned above, so a description thereof will be omitted.

い捷、第1図に示すボート受台(5)をホード受棚(7
)がらボート送シ装置07)に降ろす場合には、ボー)
・受棚(7)の下側でエレベータ本体(2功を停止させ
たあと、1駆動モータ(3カを起動すると、その回転力
は各歯車(36+ t、ia +34+および駆動軸−
の駆動グー’J (2〜怒を介して駆動ベルト(24)
(2燭を矢印(5)の方向に移送婆せるため、継手(6
)0])、スライダレ6)(ハ)、アーム軸(ム)瞥お
よび連結板(39)を介して一対のボート受アーム(4
0)ケ0)を1点知線で示す位置まで前進させる。この
場合、1点鎖線で示す所定の前進位置にボート受子−・
ムt4[) [40)が停止されるのは、中間軸(ハ)
の各遮光板(81a)〜(81e)のうち、所定の遮光
板に対応する所定の位置検出センサ(80a)〜(80
e)の何れかの出力信号がその遮光板を透過して入力源
れたときに、これを検出して駆動モータ(371を停止
させるように構成されているからである。
At the same time, attach the boat cradle (5) shown in Figure 1 to the boat cradle (7).
) When lowering the boat to the boat transport device 07), the boat)
・After stopping the elevator body (2 motors) below the receiving shelf (7), when 1 drive motor (3 motors) is started, its rotational force is transferred to each gear (36+T, IA +34+ and drive shaft -
Drive of Goo'J (2~ Drive belt through Anger (24)
(In order to move the two candles in the direction of arrow (5),
)0]), a pair of boat receiving arms (4
0) Move the 0) forward to the position indicated by the one-point knowledge line. In this case, the boat receiver -
Mut4[) [40] is stopped by the intermediate shaft (c).
Among the light shielding plates (81a) to (81e), predetermined position detection sensors (80a) to (80
This is because, when any of the output signals in e) passes through the light shielding plate and reaches the input source, this is detected and the drive motor (371) is stopped.

次に、エレベータ本体(2功を昇降、駆動装7416)
によってわずかに上昇させると、ボート受はアーム11
0)(40)にはボート受台(5)が載置される。この
あと、上記駆動モーフの7)を逆回転させると、ベルt
−124i 124)は矢印(5)と反対方向に移送さ
れるため、スライダ(26)測2よびアーム軸(蛍臨)
と一体をなすボート受はアームhco hiは実線で示
す位置まで後退する。この場合、実線で示す所定の後退
位置にボート受アームno+ +<o+が停止畑れるの
は、中間軸(33)の各遮光板(81a)〜(81e)
のうち、所定の遮光板に対応する所定の位置検出センサ
(Boa)〜(80e)の何れかの出力信号がその遮光
板を透過して入力されたときに、これを検出して駆動モ
ータ助を停止させるように構成されているからである。
Next, the elevator body (elevating and lowering the 2nd gear, drive equipment 7416)
When the boat holder is raised slightly by the arm 11
0) A boat cradle (5) is placed on (40). After this, when the drive morph 7) is reversely rotated, the belt t
-124i Since the 124) is transferred in the opposite direction to the arrow (5), the slider (26) measurement 2 and arm axis (Kirin)
The arm hcohi, which is integral with the boat support, is moved back to the position shown by the solid line. In this case, the boat receiving arm no++<o+ is stopped at the predetermined retreat position shown by the solid line due to each light shielding plate (81a) to (81e) of the intermediate shaft (33).
When an output signal from one of the predetermined position detection sensors (Boa) to (80e) corresponding to a predetermined light shielding plate is transmitted through the light shielding plate and inputted, this is detected and the drive motor assists. This is because it is configured to stop.

このようにして、エレベータ本体(2りが元の位置に戻
った状態から昇降駆動装置(16)を起動してこのエレ
ベータ本体固を所定位置まで下降させると、ボート受台
(6)はボート(4)と共にボート送り装置(17)に
移される。
In this way, when the elevator main body (2) has returned to its original position, the elevator drive device (16) is started to lower the elevator main body (2) to a predetermined position, and the boat pedestal (6) is moved to the boat (2). 4) and transferred to the boat feeding device (17).

以上述べたように、この発明によれば、ボート受アーム
+40+ +40+をアーム軸f’23) (23+の
直線運動によって進退をせるようにしたので、ボート受
アーム(40) (40)の移動停止精度が著しく向上
するばがりでなく。
As described above, according to the present invention, since the boat receiving arm +40+ +40+ is moved forward and backward by the linear movement of the arm axis f'23) (23+), the movement of the boat receiving arm (40) (40) is stopped. Not only will the accuracy be significantly improved;

上記ボート受アームf40) (4o)を駆動する駆動
モータ(37Iと連動して回転される中間軸(331に
複数の位置検出センサ(80a)〜(80e)を設ける
ようにしたので、ホード受アーム(40) (40)を
前進または後退位置において高精度に停止させることが
できるばがpでなく、拡散炉[1+の各石英管(2)へ
の芯出し作業も個々にきわめて簡単に行なうことができ
る優れた効果を有するものである。
Since a plurality of position detection sensors (80a) to (80e) are provided on the intermediate shaft (331) that rotates in conjunction with the drive motor (37I) that drives the boat receiving arm f40) (4o), the boat receiving arm (40) It is not only possible to stop the (40) with high accuracy in the forward or backward position, but also the centering work for each quartz tube (2) of the diffusion furnace [1+ can be performed individually and extremely easily. It has excellent effects.

なお、上述した一実施例においては、ボート(4)を載
置したボート受台(5)の移動操作について述べたが、
ボート(4)のみの移動にも使用し得ることはもちろん
、ボート受アームI[) +40)の所足泣Aの停止操
作ヲ、 ffi動モータ(3′7)として、パルスモー
タ、あるいはDCサーボモータを使用してそのパルス数
をハード的に設定することによシ同様の効果が得られる
ことはいうまでもない。
In addition, in the above-mentioned embodiment, the movement operation of the boat pedestal (5) on which the boat (4) is placed was described.
Not only can it be used to move only the boat (4), but also a pulse motor or DC servo can be used as the ffi motor (3'7) to stop the operation of the boat receiving arm I [+40]. It goes without saying that the same effect can be obtained by using a motor and setting the number of pulses using hardware.

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

第1図は従来のボートエレベータを示す斜視図、第2図
および第3図はこの発明の一実施例を示すもので、第2
図は平面図、第3図は第2図の(IID −GID線に
おける断面図である。 図面中1(3)は半導体ウェハ、(4)はボート、(6
)はボート受台、(+a) Q3)はガイド軸、いはエ
レベータ本体、(ハ)(′23はアーム軸、+24) 
[24)は駆動ベルト、■(資)26)はスライダ、(
ロ))は駆動軸、  (Boa)〜(80e)は位置検
出センサ、(81a)〜(81e)は遮光板、(39)
は連結板、(4n) 110+はボート受アームである
。なお1図中同一符号は同一または相当部分を示す。 代理人 大岩増雄 第2図 第31’21 手続袖止書(自発) 特許庁長官殿 1、事件の表示   特願昭58−624G8号2、発
明の名称  ボートエレベータ 3、補正をする者 事件との関係 特許出願人 住 所    東京都千代1旧区丸の内二丁112番3
号名 称  (601,)三菱電機株式会社代表者片由
仁八部 4代理人 5補正の対象 明細書の発明の詳細な説明の欄 6、補正の内容 (1)明糾IM第2頁第7行に「用いらね、るボートエ
レベータに」とあるのを[用いられるボートノ搬送を行
うボートエレベータに]に訂正する。 (2)同第2頁第15行に「並列して載貿した」とある
のを「並列して載置する」に訂正′f′る。 以  上
FIG. 1 is a perspective view showing a conventional boat elevator, and FIGS. 2 and 3 show an embodiment of the present invention.
The figure is a plan view, and FIG. 3 is a cross-sectional view taken along the (IID-GID line) in FIG.
) is the boat pedestal, (+a) Q3) is the guide shaft, or the elevator body, (c) ('23 is the arm shaft, +24)
[24) is the drive belt, ■ (capital) 26) is the slider, (
b)) is the drive shaft, (Boa) to (80e) are position detection sensors, (81a) to (81e) are light shielding plates, (39)
is a connecting plate, and (4n) 110+ is a boat receiving arm. Note that the same reference numerals in each figure indicate the same or corresponding parts. Agent: Masuo Oiwa Figure 2, Figure 31'21 Letter of suspension of proceedings (voluntary) Commissioner of the Japan Patent Office 1, Indication of the case: Japanese Patent Application No. 1986-624G8 2, Title of the invention: Boat elevator 3, Comparison with the case of the person making the amendment Related Patent Applicant Address: 112-3 Marunouchi 2-chome, Old Ward, Chiyo 1, Tokyo
Name Title (601,) Mitsubishi Electric Corporation Representative Katayuni 8th Section 4 Agent 5 Detailed explanation of the invention in the specification subject to amendment 6, Contents of the amendment (1) Meiko IM page 2, 7 In the line, the line ``Not used for the boat elevator'' should be corrected to ``The boat elevator that will be used to transport the boat.'' (2) On page 2, line 15, the words ``traded in parallel'' have been corrected to ``loaded in parallel.''that's all

Claims (1)

【特許請求の範囲】 fi1半導体ウェハを載置したボート、捷たけボート受
台を移動させるポート受アームをアーム軸の直線運動に
よって進退させるとともに、上記ボート受アームを駆動
する駆動モータを制御する複数の位置検出センサを配設
したことを特徴とするボートエレベータ。 (2)ボート受アームを前進または後退させるアーム軸
を、駆動ベルトによって駆動するようにしたことを特徴
とする特許請求の範囲第1項記載のボー l−エレベー
タ。 (3)ボート受アームを駆動する駆動モータと連動し、
て回転される中間軸に複数の遮光板を設け、この各遮光
板にそれぞれ位置検出センサを対応させたことを特徴と
する特許請求の範囲第1項記載のホ゛−トエレベータ。 (4)ボート受アームと共に直線運動するアーム軸と一
体を彦すスライダをガイド軸によってガイドするように
したことを特徴とする特許請求の範囲第1項記載のボー
トエレベータ。
[Scope of Claims] A boat on which FI1 semiconductor wafers are mounted, a plurality of port receiving arms that move a port receiving arm for moving a boat receiving stand, which is moved forward and backward by linear movement of an arm axis, and which controls a drive motor that drives the boat receiving arm. A boat elevator characterized by being equipped with a position detection sensor. (2) The boat elevator according to claim 1, wherein the arm shaft for advancing or retracting the boat receiving arm is driven by a drive belt. (3) Interlocks with the drive motor that drives the boat receiving arm,
2. The elevator according to claim 1, wherein a plurality of light shielding plates are provided on the intermediate shaft rotated by the elevator, and a position detection sensor is associated with each of the light shielding plates. (4) The boat elevator according to claim 1, characterized in that a slider that is integrated with an arm shaft that moves linearly together with the boat receiving arm is guided by a guide shaft.
JP6246383A 1983-04-07 1983-04-07 Boat elevator Granted JPS59186338A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6246383A JPS59186338A (en) 1983-04-07 1983-04-07 Boat elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6246383A JPS59186338A (en) 1983-04-07 1983-04-07 Boat elevator

Publications (2)

Publication Number Publication Date
JPS59186338A true JPS59186338A (en) 1984-10-23
JPH0220136B2 JPH0220136B2 (en) 1990-05-08

Family

ID=13200922

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6246383A Granted JPS59186338A (en) 1983-04-07 1983-04-07 Boat elevator

Country Status (1)

Country Link
JP (1) JPS59186338A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60111045U (en) * 1983-12-29 1985-07-27 株式会社東芝 Semiconductor wafer boat transport device
JPH01315132A (en) * 1988-03-24 1989-12-20 Tel Sagami Ltd Treatment apparatus of semiconductor wafer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54155673A (en) * 1978-05-26 1979-12-07 Matsushita Electronics Corp High pressure sodium lamp

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54155673A (en) * 1978-05-26 1979-12-07 Matsushita Electronics Corp High pressure sodium lamp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60111045U (en) * 1983-12-29 1985-07-27 株式会社東芝 Semiconductor wafer boat transport device
JPH0132356Y2 (en) * 1983-12-29 1989-10-03
JPH01315132A (en) * 1988-03-24 1989-12-20 Tel Sagami Ltd Treatment apparatus of semiconductor wafer

Also Published As

Publication number Publication date
JPH0220136B2 (en) 1990-05-08

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