JP2015020102A - Cleaning treatment apparatus - Google Patents

Cleaning treatment apparatus Download PDF

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JP2015020102A
JP2015020102A JP2013149289A JP2013149289A JP2015020102A JP 2015020102 A JP2015020102 A JP 2015020102A JP 2013149289 A JP2013149289 A JP 2013149289A JP 2013149289 A JP2013149289 A JP 2013149289A JP 2015020102 A JP2015020102 A JP 2015020102A
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chamber
waste liquid
cleaning
tank
partition plate
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博吏 時山
Hirosato Tokiyama
博吏 時山
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Nippon Steel and Sumikin Electronics Devices Inc
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Nippon Steel and Sumikin Electronics Devices Inc
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract

PROBLEM TO BE SOLVED: To provide an inexpensive cleaning treatment apparatus capable of improving cleaning capability by a slight modification and discharging waste liquid using a conventional resin pipe.SOLUTION: A cleaning treatment apparatus 10 includes: a cleaning tank 15; a cushion tank 17; a pump 18; and a heat exchanger 19. The cushion tank 17 has a first partition plate between a first chamber 21 and a second chamber 21a of four chambers: the first to fourth chambers 21, 21a, 21b and 21c which are connected to each other, a second partition plate between the third chamber and the fourth chamber, each third partition plate between a group of the first chamber and the second chamber and a group of the third chamber and the fourth chamber, and a notch part on a lower side between the second chamber and the third chamber. The cleaning treatment apparatus 10 includes: waste liquid cooling means for taking out waste liquid 16 of the cleaning tank 15 from the bottom of the first chamber after dropping the waste liquid 16 in the first chamber, passing the waste liquid 16 through the heat exchanger 19, dropping the waste liquid 16 in the third chamber, and cooling the waste liquid 16 while circulating the waste liquid 16 in the third, second and first chambers and the heat exchanger 19; and waste liquid discharge means for discharging the waste liquid 16 by making the waste liquid 16 flow from the third chamber to the fourth chamber when the waste liquid 16 fills from the first chamber to the third chamber.

Description

本発明は、めっき処理や、エッチング処理等を行うために薬液を使っての処理が必要な半導体素子収納用パッケージ、銅張り基板等の電子部品のような被処理物を薬液槽内で処理した後の最終の洗浄処理を行うための洗浄処理装置に関する。   In the present invention, an object to be processed such as an electronic component such as a semiconductor element storage package, a copper-clad substrate or the like that needs to be processed using a chemical solution for performing a plating process, an etching process, or the like is processed in a chemical solution tank. The present invention relates to a cleaning processing apparatus for performing a final cleaning process later.

従来から上記のようなめっき処理や、エッチング処理等のような薬液を用いて処理を行う装置ラインには、必ず、被処理物の最終の洗浄処理を行うための洗浄槽を具備した洗浄処理装置が用いられている。従来の被処理物の最終洗浄処理では、常温の純水が用いられ、常温の純水中で被処理物を洗浄させた後の洗浄槽からオーバーフローする廃液を排出させ、pH(ペーハー)調整等の必要な廃液処理を排水処理装置で行った後に、その処理済の排水の廃棄、又は再利用を行っている。なお、最終洗浄処理を行った後の廃液には、被処理物に付着していた酸性や、アルカリ性の薬液が混入しているので、排水処理装置に送り込むまでの配管に耐食性のある樹脂パイプを用いるのが一般的になっている。   Conventionally, a cleaning processing apparatus equipped with a cleaning tank for performing a final cleaning process of an object to be processed in an apparatus line that performs a process using a chemical solution such as a plating process or an etching process as described above. Is used. Conventional final cleaning of the object to be processed uses room-temperature pure water, and waste liquid overflowing from the washing tank after washing the object to be processed in room-temperature pure water is adjusted for pH, etc. After the necessary waste liquid treatment is performed by the wastewater treatment device, the treated wastewater is discarded or reused. In addition, the waste liquid after the final cleaning process is mixed with acidic or alkaline chemicals that have adhered to the object to be treated. It has become common to use.

被処理物である上記のような半導体素子収納用パッケージ、銅張り基板等のような電子部品は、ますます高機能化、高信頼性化等が求められ、電子部品の更なるクリーン化の要求が大きくなっている。このような要求に対応するための洗浄槽に上記の常温の純水を用いる被処理物の最終洗浄処理では、洗浄能力が劣るため、最近では常温の純水を昇温させた湯を用いることが検討されている。この湯の温度は、洗浄効果を高めることから80℃程度とすることが必要となっている。   Electronic components such as the above-mentioned semiconductor element storage packages and copper-clad substrates that are processed objects are required to have higher functionality and higher reliability, and there is a need for further electronic component cleaning. Is getting bigger. In the final cleaning process of the object to be processed using the above-mentioned normal temperature pure water in the cleaning tank to meet such demand, since the cleaning ability is inferior, recently, hot water whose temperature is increased to normal temperature pure water is used. Is being considered. The temperature of this hot water is required to be about 80 ° C. in order to enhance the cleaning effect.

しかしながら、このような高温水で最終洗浄処理を行った後の廃液は、高温であり、配管に従来の耐熱温度60℃の耐食性のある樹脂パイプを用いることができなくなっている。これに対応するために、従来の樹脂パイプは、耐熱性の高い樹脂パイプに変更させることが考えられるが、排水処理装置までの長い配管の変更で非常に高額な設備投資が必要となると共に、高温の廃液の排水処理装置での処理に問題を抱えることとなっている。   However, the waste liquid after the final cleaning treatment with such high-temperature water is at a high temperature, and a conventional resin pipe having a corrosion resistance of 60 ° C. cannot be used for the piping. In order to cope with this, it is conceivable to change the conventional resin pipe to a resin pipe with high heat resistance, but a very expensive capital investment is required by changing the long pipe to the waste water treatment equipment, There is a problem with the treatment of waste water treatment equipment for high temperature waste liquid.

そこで、従来の樹脂パイプは、メインパイプとしてそのまま使用してこれに常温の水を流せるようにし、このメインパイプに高温の廃液を流すための耐熱性の高い樹脂パイプを洗浄槽とメインパイプとの間に設け、高温の廃液を常温の水で冷却させながら廃液を排水処理装置に送り込ませることが考えられている。これによって、高温の廃液を流すための耐熱性の高い樹脂パイプは、短い距離に設けることでこれに掛かる費用を抑えることができると共に、廃液の排水処理装置での正確な処理が可能となっている。   Therefore, the conventional resin pipe can be used as it is as a main pipe, allowing normal temperature water to flow through it, and a highly heat-resistant resin pipe for flowing high temperature waste liquid through this main pipe is connected between the washing tank and the main pipe. It is considered that the waste liquid is fed into the waste water treatment apparatus while cooling the high temperature waste liquid with normal temperature water. As a result, a resin pipe with high heat resistance for flowing high temperature waste liquid can be provided at a short distance to reduce the cost of this, and it is possible to accurately process the waste liquid in the waste water treatment device. Yes.

従来の洗浄処理装置には、熱回収型洗浄装置という発明の名称の基に、被洗浄物を高温の洗浄液で洗浄する洗浄機と、この洗浄機に洗浄液を供給する手段と、洗浄機から洗浄排液を排出する手段とを有する洗浄装置において、洗浄機から排出される高温の洗浄排液と洗浄機に供給される洗浄液とを熱交換して洗浄排液を冷却する熱交換器を設けたものが提案されている(例えば、特許文献1参照)。これによると、洗浄排液を安価な汎用の配管で排出して移送することができ、また、洗浄液の加温エネルギーの低減を図ることもできる熱回収型洗浄装置を提供することができるとしている。   In the conventional cleaning processing apparatus, based on the name of the invention of a heat recovery type cleaning apparatus, a cleaning machine for cleaning an object to be cleaned with a high temperature cleaning liquid, means for supplying the cleaning liquid to the cleaning machine, and cleaning from the cleaning machine In the cleaning apparatus having a means for discharging the waste liquid, a heat exchanger for cooling the cleaning waste liquid by exchanging heat between the high temperature cleaning drain liquid discharged from the cleaning machine and the cleaning liquid supplied to the cleaning machine is provided. The thing is proposed (for example, refer patent document 1). According to this, it is said that it is possible to provide a heat recovery type cleaning device that can discharge and transfer cleaning waste liquid through an inexpensive general-purpose pipe and can also reduce the heating energy of the cleaning liquid. .

特開2009−189905号公報JP 2009-189905 A

しかしながら、前述したような従来の洗浄処理装置は、次のような問題がある。
(1)従来の洗浄処理装置は、従来の樹脂パイプをメインパイプとしてそのまま使用してこれに常温の水を流せるようにし、このメインパイプに高温の廃液を流すための耐熱性の高い樹脂パイプを洗浄槽との間にのみ設け、高温の廃液を常温の水で冷却させながら廃液を排水処理装置に送り込ませるようにする場合には、大量の常温の水を確保するための水槽が必要となると共に、大量の冷却のための水が混ざった廃液を処理するために排水処理装置の処理能力の増大が必要となり、高額な設備投資と、メンテナンス費用が掛かることとなっている。また、高温の廃液を常温の水で冷却させながら廃液を排水処理装置に送り込ませるには、高温の廃液を従来の樹脂パイプ中で急速に冷却させることが必要であり、メインパイプを太くする必要があるのと、冷却のための大量の水が必要となっている。
(2)従来の洗浄処理装置は、洗浄に湯を用いる場合には、オーバーフロー構造の洗浄槽に補充される常温の純水との間に温度差が大きくて湯洗浄のための温調精度が低くなり、被処理物のクリーン度にバラツキを発生させることとなっている。
(3)特開2009−189905号公報で開示されるような洗浄処理装置は、洗浄槽から排出される高温の廃液を直接熱交換器に送り込み、これを急速に冷却させて排水処理装置に送り込ませる必要があるので、熱交換器に大量の純水を送り込むことが必要となり、全ての装置が大がかりなものとなると共に、必要以上の純水が洗浄槽に送り込まれて、高額な設備投資と、メンテナンス費用が掛かることとなっている。
However, the conventional cleaning apparatus as described above has the following problems.
(1) A conventional cleaning treatment apparatus uses a conventional resin pipe as a main pipe as it is, and allows normal temperature water to flow through the main pipe, and a high heat resistance resin pipe for flowing high temperature waste liquid into the main pipe. A water tank is required to secure a large amount of room-temperature water when it is installed only between the cleaning tank and the waste liquid is sent to the wastewater treatment equipment while cooling the high-temperature waste liquid with room-temperature water. At the same time, it is necessary to increase the treatment capacity of the waste water treatment apparatus in order to treat the waste liquid mixed with a large amount of water for cooling, which requires high capital investment and maintenance costs. Also, in order to send the waste liquid to the wastewater treatment equipment while cooling the high temperature waste liquid with room temperature water, it is necessary to quickly cool the high temperature waste liquid in the conventional resin pipe, and it is necessary to make the main pipe thicker There is a large amount of water for cooling.
(2) In the conventional cleaning processing apparatus, when hot water is used for cleaning, there is a large temperature difference with the pure water at room temperature to be replenished in the overflow structured cleaning tank, and the temperature control accuracy for hot water cleaning is high. As a result, the degree of cleanliness of the object to be processed varies.
(3) A cleaning treatment apparatus as disclosed in Japanese Patent Application Laid-Open No. 2009-189905 directly sends high-temperature waste liquid discharged from a washing tank to a heat exchanger, which is rapidly cooled and sent to a wastewater treatment apparatus. Therefore, it is necessary to send a large amount of pure water to the heat exchanger, and all the equipment becomes large-scale, and more than necessary pure water is sent to the washing tank. , Maintenance costs are to be incurred.

本発明は、かかる事情に鑑みてなされたものであって、従来設備の僅かな改造で、洗浄能力を向上できると共に、従来の樹脂パイプを用いて排出できる安価な洗浄処理装置を提供することを目的とする。   The present invention has been made in view of such circumstances, and it is possible to improve the cleaning capability with a slight modification of conventional equipment and to provide an inexpensive cleaning processing apparatus that can be discharged using a conventional resin pipe. Objective.

前記目的に沿う本発明に係る洗浄処理装置は、薬液槽内で処理した被処理物を60℃以上100℃未満に加熱された純水中で洗浄するための洗浄槽と、洗浄槽からオーバーフローして排出される廃液を落とし込むためのクッションタンクと、クッションタンクから取り出される廃液を送り出すためのポンプと、ポンプで送り出す廃液を通過させて廃液の熱エネルギーを洗浄槽へ供給する純水に付与させた後、廃液をクッションタンクに送り込むと共に、純水を洗浄槽に送り込むための熱交換器と、を有し、しかも、クッションタンクの外壁で囲まれる内部には、第一、第二、第三、第四室が並列、又は渦巻て連接する4室の第一、第二室間に外壁の高さより低いオーバーフロー構造からなる第1の仕切り板と、第三、第四室間に第1の仕切り板の高さより高いオーバーフロー構造からなる第2の仕切り板と、第一、第二室のグループと第三、第四室のグループの間に外壁の高さと略同等の高さからなる第3の仕切り板と、第3の仕切り板の第二室と第三室の間の下方にダウンフロー構造用の切り欠き部を有する洗浄処理装置であって、洗浄槽から排出される廃液をクッションタンクの第一室に落とし込んだ後、第一室の底部から取り出しポンプで送り出して熱交換器を通過させクッションタンクの第三室に落とし込み第三室と隣接する第二室間のダウンフロー構造、第二室と隣接する第一室間のオーバーフロー構造、及び熱交換器中を循環させながら廃液を60℃未満とする廃液冷却手段と、廃液が第一室から第三室までに満されたときに第三室と隣接する第四室間のオーバーフロー構造で第四室に廃液を流れ込ませて底部から耐熱温度60℃の樹脂パイプを介して排出させる廃液排出手段を有する。   The cleaning treatment apparatus according to the present invention that meets the above-described object overflows from the cleaning tank, the cleaning tank for cleaning the object to be processed in the chemical tank in pure water heated to 60 ° C. or more and less than 100 ° C. The waste water discharged from the cushion tank, the pump for sending out the waste liquid taken out from the cushion tank, and the pure water supplied to the washing tank by passing the waste liquid delivered by the pump through After that, the waste liquid is sent to the cushion tank and the heat exchanger for sending pure water to the washing tank, and the inside surrounded by the outer wall of the cushion tank includes the first, second, third, A first partition plate having an overflow structure lower than the height of the outer wall between the first and second chambers of the four chambers connected in parallel or spirally with the fourth chamber, and a first partition between the third and fourth chambers A second partition plate having an overflow structure higher than the height of the first partition, and a third partition having a height substantially equal to the height of the outer wall between the first and second chamber groups and the third and fourth chamber groups. And a notch for downflow structure below the plate and between the second chamber and the third chamber of the third partition plate, and the waste liquid discharged from the cleaning tank After dropping into one chamber, it is taken out from the bottom of the first chamber and sent out by a pump, passed through a heat exchanger, dropped into the third chamber of the cushion tank, and a down flow structure between the third chamber and the adjacent second chamber, the second chamber And an overflow structure between the adjacent first chambers, a waste liquid cooling means for reducing the waste liquid to less than 60 ° C. while circulating in the heat exchanger, and a third when the waste liquid is filled from the first chamber to the third chamber. Overflow between the room and the adjacent fourth room Structure by flowing the effluent to the fourth chamber from the bottom with a waste liquid discharge means for discharging through the resin pipe heat-resistant temperature 60 ° C..

上記の洗浄処理装置は、薬液槽内で処理した被処理物を60℃以上100℃未満に加熱された純水中で洗浄するための洗浄槽と、洗浄槽からオーバーフローして排出される廃液を落とし込むためのクッションタンクと、クッションタンクから取り出される廃液を送り出すためのポンプと、ポンプで送り出す廃液を通過させて廃液の熱エネルギーを洗浄槽へ供給する純水に付与させた後、廃液をクッションタンクに送り込むと共に、純水を洗浄槽に送り込むための熱交換器と、を有し、しかも、クッションタンクの外壁で囲まれる内部には、第一、第二、第三、第四室が並列、又は渦巻て連接する4室の第一、第二室間に外壁の高さより低いオーバーフロー構造からなる第1の仕切り板と、第三、第四室間に第1の仕切り板の高さより高いオーバーフロー構造からなる第2の仕切り板と、第一、第二室のグループと第三、第四室のグループの間に外壁の高さと略同等の高さからなる第3の仕切り板と、第3の仕切り板の第二室と第三室の間の下方にダウンフロー構造用の切り欠き部を有する洗浄処理装置であって、洗浄槽から排出される廃液をクッションタンクの第一室に落とし込んだ後、第一室の底部から取り出しポンプで送り出して熱交換器を通過させクッションタンクの第三室に落とし込み第三室と隣接する第二室間のダウンフロー構造、第二室と隣接する第一室間のオーバーフロー構造、及び熱交換器中を循環させながら廃液を60℃未満とする廃液冷却手段と、廃液が第一室から第三室までに満されたときに第三室と隣接する第四室間のオーバーフロー構造で第四室に廃液を流れ込ませて底部から耐熱温度60℃の樹脂パイプを介して排出させる廃液排出手段を有するので、従来からの洗浄処理装置にクッションタンクと、熱交換器の設備を設けるのみで、このクッションタンクと、熱交換器によって、洗浄槽からオーバーフローして排出される廃液量に応じて必要量の加熱された純水を洗浄槽に補充できると共に、洗浄槽からオーバーフローして排出される廃液を十分に冷却させた後に従来の樹脂パイプを介して排水処理装置に送り込むことができ、僅かな設備投資で、メンテナンス費用の少ない安価な洗浄処理装置を提供できる。また、熱交換器によって、洗浄槽に送り込まれる純水の温調精度が向上し、被処理物の洗浄効果を向上させることができる。更に、4室構造のクッションタンクによって、加熱純水の適時供給に支障を与えることのない冷却廃液の排出を容易にできる洗浄処理装置を提供できる。   The above-described cleaning processing apparatus includes a cleaning tank for cleaning an object to be processed in a chemical tank in pure water heated to 60 ° C. or more and less than 100 ° C., and a waste liquid that overflows and is discharged from the cleaning tank. A cushion tank for dropping, a pump for sending out the waste liquid taken out from the cushion tank, and passing the waste liquid sent out by the pump to give the heat energy of the waste liquid to the pure water supplied to the washing tank, and then the waste liquid is sent to the cushion tank And a heat exchanger for sending pure water to the washing tank, and in the interior surrounded by the outer wall of the cushion tank, the first, second, third and fourth chambers are arranged in parallel, Alternatively, the first partition plate having an overflow structure lower than the height of the outer wall between the first and second chambers of the four chambers connected in a spiral manner, and the height higher than the height of the first partition plate between the third and fourth chambers. A second partition plate having a flow structure, a third partition plate having a height substantially equal to the height of the outer wall between the first and second chamber groups and the third and fourth chamber groups; 3 is a cleaning processing device having a notch for downflow structure below the second and third chambers of the partition plate 3 and drops waste liquid discharged from the cleaning tank into the first chamber of the cushion tank. After that, it is taken out from the bottom of the first chamber with a pump, passed through the heat exchanger, dropped into the third chamber of the cushion tank, and the down flow structure between the second chamber adjacent to the third chamber, the second adjacent to the second chamber Adjacent to the third chamber when the waste liquid is filled from the first chamber to the third chamber, and the overflow structure between the chambers, the waste liquid cooling means for reducing the waste liquid to less than 60 ° C while circulating in the heat exchanger Waste liquid in the fourth chamber due to the overflow structure between the fourth chambers Since there is a waste liquid discharging means that flows into and discharges from the bottom through a resin pipe having a heat resistant temperature of 60 ° C., the cushion tank and the heat exchanger are simply provided in the conventional cleaning processing apparatus, The heat exchanger can replenish the cleaning tank with the required amount of heated pure water according to the amount of waste liquid that overflows and is discharged from the cleaning tank, and sufficiently cools the waste liquid that overflows and is discharged from the cleaning tank. After that, it can be sent to a wastewater treatment apparatus via a conventional resin pipe, and an inexpensive cleaning treatment apparatus with a low maintenance cost can be provided with a small capital investment. Moreover, the heat exchanger improves the temperature adjustment accuracy of pure water fed into the cleaning tank, and can improve the cleaning effect of the object to be processed. Furthermore, a cleaning treatment apparatus that can easily discharge the cooling waste liquid without hindering the timely supply of heated pure water can be provided by the cushion tank having a four-chamber structure.

本発明の一実施の形態に係る洗浄処理装置の説明図である。It is explanatory drawing of the cleaning processing apparatus which concerns on one embodiment of this invention. (A)、(B)はそれぞれ同洗浄処理装置の並列連接するクッションタンクの平面視する説明図、渦巻き連接するクッションタンクの平面視する説明図である。(A), (B) is the explanatory view which carries out the planar view of the cushion tank connected in parallel of the washing | cleaning processing apparatus, respectively, and the explanatory view which carries out the planar view of the cushion tank connected spirally. (A)、(B)はそれぞれ同洗浄処理装置の並列連接するクッションタンクの断面視する廃液循環状態の説明図、廃液オーバーフロー状態の説明図である。(A), (B) is explanatory drawing of the waste-liquid circulation state seen from the cross section of the cushion tank connected in parallel of the washing | cleaning processing apparatus, respectively, and explanatory drawing of a waste-liquid overflow state.

続いて、図1、図2(A)、(B)、図3(A)、(B)を参照しながら本発明を具体化した実施するための形態について説明し、本発明の理解に供する。ここに、図1は、本発明の一実施の形態に係る洗浄処理装置の説明図、図2(A)は、同洗浄処理装置の並列連接するクッションタンクの平面視する説明図、図2(B)は、同洗浄処理装置の渦巻き連接するクッションタンクの平面視する説明図、図3(A)は、同洗浄処理装置の並列連接するクッションタンクの断面視する廃液循環状態の説明図、図3(B)は、同洗浄処理装置の並列連接するクッションタンクの断面視する廃液オーバーフロー状態の説明図である。   Subsequently, an embodiment for embodying the present invention will be described with reference to FIGS. 1, 2A, 2B, 3A, and 3B to provide an understanding of the present invention. . Here, FIG. 1 is an explanatory view of a cleaning processing apparatus according to an embodiment of the present invention, FIG. 2A is an explanatory view in plan view of a cushion tank connected in parallel of the cleaning processing apparatus, FIG. FIG. 3B is an explanatory diagram viewed from above the spirally connected cushion tanks of the cleaning processing apparatus, and FIG. 3A is an explanatory diagram of a waste liquid circulation state viewed from a cross section of the parallelly connected cushion tanks of the cleaning processing apparatus. 3 (B) is an explanatory view of a waste liquid overflow state in a sectional view of the cushion tanks connected in parallel in the cleaning processing apparatus.

図1に示すように、本発明の一実施の形態に係る洗浄処理装置10は、めっき工程や、エッチング工程等の薬液槽11内の薬液12中で処理した半導体素子収納用パッケージ、銅張り基板等の電子部品のような被処理物13を60℃以上100℃未満に加熱された純水14中で最終の洗浄するための洗浄槽15を有している。この洗浄槽15は、通常、めっき工程や、エッチング工程等の複数の薬液槽11が整列する最終の位置に設けられている。この洗浄槽15では、複数の薬液槽11内でめっき処理や、エッチング処理等を行って薬液12が表面に付着した被処理物13を、洗浄槽15中に絶えず新しく補給されると共に、60℃以上100℃未満に加熱された純水14中で湯洗して最終洗浄を行った後、被処理物13を洗浄槽15から取り出すようにしている。なお、薬液槽11や、洗浄槽15のそれぞれは、必要に応じて耐薬液性と、耐熱性の構造を備えている。   As shown in FIG. 1, a cleaning apparatus 10 according to an embodiment of the present invention includes a semiconductor element storage package, a copper-clad substrate processed in a chemical solution 12 in a chemical solution tank 11 such as a plating process or an etching process. A cleaning tank 15 is provided for final cleaning of an object 13 such as an electronic component in pure water 14 heated to 60 ° C. or higher and lower than 100 ° C. This cleaning tank 15 is usually provided at the final position where a plurality of chemical baths 11 are aligned, such as a plating process and an etching process. In this cleaning tank 15, an object 13 to which the chemical solution 12 adheres to the surface by performing plating treatment, etching treatment, or the like in the plurality of chemical solution tanks 11 is constantly replenished in the cleaning tank 15, and at 60 ° C. After the final cleaning is performed by washing in pure water 14 heated to less than 100 ° C. above, the article 13 is removed from the cleaning tank 15. Each of the chemical tank 11 and the cleaning tank 15 is provided with a chemical resistant and heat resistant structure as necessary.

上記の洗浄処理装置10は、被処理物13に付着した薬液12が洗浄槽15中で除去されて高温の純水14中に混ざり込み、洗浄槽15からオーバーフローして排出される薬液12の混ざり込んだ高温の廃液16を落とし込むためのクッションタンク17を有している。このクッションタンク17は、薬液槽11や、洗浄槽15の場合と同様に、耐薬液性と、耐熱性の構造を備えている。また、上記の洗浄処理装置10は、このクッションタンク17から取り出される廃液16を送り出すためのポンプ18を有している。そして、更に、上記の洗浄処理装置10は、ポンプ18で送り出す温度の高い廃液16を通過させて廃液16の熱エネルギーを洗浄槽15へ供給する純水14に付与させた後、温度の下がった廃液16をクッションタンク17に送り込むと共に、温度の上がった純水14を洗浄槽15に送り込むための熱交換器19を有している。   In the cleaning apparatus 10 described above, the chemical solution 12 attached to the workpiece 13 is removed in the cleaning tank 15 and mixed in the high-temperature pure water 14, and the chemical solution 12 overflowed and discharged from the cleaning tank 15 is mixed. A cushion tank 17 is provided for dropping the hot waste liquid 16 contained therein. The cushion tank 17 has a chemical liquid resistance and a heat resistant structure as in the case of the chemical tank 11 and the cleaning tank 15. The cleaning processing apparatus 10 has a pump 18 for sending out the waste liquid 16 taken out from the cushion tank 17. Further, the cleaning treatment apparatus 10 passes the high-temperature waste liquid 16 sent out by the pump 18 and applies the thermal energy of the waste liquid 16 to the pure water 14 supplied to the cleaning tank 15, and then the temperature drops. A heat exchanger 19 is provided for sending the waste liquid 16 to the cushion tank 17 and for sending the pure water 14 whose temperature has risen to the cleaning tank 15.

熱交換器19には、2つの流体の間に隔板のある隔板式、熱を蓄熱器を介して伝える蓄熱式、2つの流体が直接接触する直接接触式の3種の形式がある。しかしながら、この洗浄処理装置10で用いる熱交換器19は、2つの流体である廃液16と、純水14が混合するのを防止することが必要であるので、蓄熱式のような混合の可能性があるものや、直接接触式のような直接接触するものは使用することができなくなっている。   There are three types of heat exchangers 19: a diaphragm type with a diaphragm between two fluids, a heat storage type that transfers heat through a heat accumulator, and a direct contact type in which two fluids are in direct contact. However, since the heat exchanger 19 used in the cleaning processing apparatus 10 needs to prevent the waste liquid 16 that is two fluids and the pure water 14 from mixing, there is a possibility of mixing like a heat storage type. Those that have direct contact, such as those with direct contact, cannot be used.

図2(A)に示すように、上記の洗浄処理装置10は、クッションタンク17の外壁20で囲まれる内部には、第一室21、第二室21a、第三室21b、第四室21cが並列して連接する4室を備えている。   As shown in FIG. 2A, the cleaning processing apparatus 10 includes a first chamber 21, a second chamber 21a, a third chamber 21b, and a fourth chamber 21c, which are surrounded by the outer wall 20 of the cushion tank 17. Have four chambers connected in parallel.

あるいは、図2(B)に示すように、上記の洗浄処理装置10は、クッションタンク17の外壁20で囲まれる内部には、第一室21、第二室21a、第三室21b、第四室21cが渦巻て連接する4室を備えている。   Alternatively, as shown in FIG. 2B, the above-described cleaning processing apparatus 10 includes a first chamber 21, a second chamber 21 a, a third chamber 21 b, and a fourth chamber in the interior surrounded by the outer wall 20 of the cushion tank 17. The chamber 21c is provided with four chambers that are spirally connected.

そして、この洗浄処理装置10は、第一、第二、第三、第四室21、21a、21b、21cが並列、又は渦巻て連接する4室の第一、第二室21、21a間には、外壁20の高さより低いオーバーフロー構造からなる第1の仕切り板22を有している。また、洗浄処理装置10は、第三、第四室21b、21c間には、第1の仕切り板22の高さより高く、外壁20の高さより低いオーバーフロー構造からなる第2の仕切り板22aを有している。更に、洗浄処理装置10は、第一、第二室21、21aのグループと第三、第四室21b、21cのグループの間には、外壁20の高さと略同等の高さからなる第3の仕切り板22bを有している。そして、更には、洗浄処理装置10は、第3の仕切り板22bの第二室21aと第三室21bの間には、下方にダウンフロー構造用の切り欠き部23を有している。   And this washing | cleaning processing apparatus 10 is between the 1st, 2nd chambers 21 and 21a of 4 chambers where the 1st, 2nd, 3rd, 4th chambers 21, 21a, 21b, 21c are connected in parallel or spirally. Has a first partition plate 22 having an overflow structure lower than the height of the outer wall 20. In addition, the cleaning apparatus 10 has a second partition plate 22a having an overflow structure between the third and fourth chambers 21b and 21c, which is higher than the height of the first partition plate 22 and lower than the height of the outer wall 20. doing. Furthermore, the cleaning apparatus 10 includes a third chamber having a height substantially equal to the height of the outer wall 20 between the first and second chambers 21 and 21a and the third and fourth chambers 21b and 21c. Partition plate 22b. Further, the cleaning processing apparatus 10 has a notch portion 23 for a downflow structure below the second chamber 21a and the third chamber 21b of the third partition plate 22b.

図3(A)に示すように、上記の洗浄処理装置10では、洗浄槽15から排出される60℃以上100℃未満の高温の廃液16をクッションタンク17の第一室21に落とし込んだ後、洗浄槽15に熱交換器19を介して送り込む熱エネルギーを付与される純水14の必要量に合わせるようにして廃液16を第一室21の底部から取り出しながらポンプ18で送り出して熱交換器19を通過させている。更に、この洗浄処理装置10では、熱交換器19を通過させた廃液16をクッションタンク17の第三室21bに落とし込んでいる。そして、この洗浄処理装置10では、クッションタンク17の第三室21bに落とし込まれた廃液16を、第三室21bと隣接する第二室21a間の第3の仕切り板22bの下端部に設ける切り欠き部23を挿通させるダウンフロー構造、第二室21aと隣接する第一室21間の第1の仕切り板22の上端を越流させるオーバーフロー構造、及び熱交換器19中を循環させることで、廃液16の温度を第一室21、第二室21a、第三室21bの順序で順次下降させることができ、第三室21bにおいては廃液16の温度を60℃未満とする廃液冷却手段を有している。   As shown in FIG. 3A, in the above-described cleaning treatment apparatus 10, after dropping the waste liquid 16 having a high temperature of 60 ° C. or more and less than 100 ° C. discharged from the cleaning tank 15 into the first chamber 21 of the cushion tank 17, The waste liquid 16 is sent out by the pump 18 while being taken out from the bottom of the first chamber 21 so as to match the required amount of the pure water 14 to which the thermal energy sent to the cleaning tank 15 through the heat exchanger 19 is applied. Pass through. Further, in the cleaning processing apparatus 10, the waste liquid 16 that has passed through the heat exchanger 19 is dropped into the third chamber 21 b of the cushion tank 17. And in this washing | cleaning processing apparatus 10, the waste liquid 16 dropped into the 3rd chamber 21b of the cushion tank 17 is provided in the lower end part of the 3rd partition plate 22b between the 2nd chamber 21a adjacent to the 3rd chamber 21b. By circulating through the heat exchanger 19 and the down flow structure through which the notch 23 is inserted, the overflow structure overflowing the upper end of the first partition plate 22 between the first chamber 21 adjacent to the second chamber 21a. The temperature of the waste liquid 16 can be sequentially lowered in the order of the first chamber 21, the second chamber 21a, and the third chamber 21b. In the third chamber 21b, waste liquid cooling means for setting the temperature of the waste liquid 16 to less than 60 ° C. Have.

図3(B)に示すように、上記の洗浄処理装置10では、廃液16が上記の廃液冷却手段によって冷却されながらクッションタンク17の第一室21から第三室21bまでに満たされたときに、第三室21bと隣接する第四室21c間の第2の仕切り板22aの上端を越流させるオーバーフロー構造で第四室21cに温度が60℃未満となった廃液16を流れ込ませている。そして、この洗浄処理装置10では、クッションタンク17の第四室21cに流れ込まれた廃液16を、第四室21cの底部から耐熱温度が60℃からなる一般的な樹脂パイプを介して排出させる廃液排出手段を有している。   As shown in FIG. 3 (B), in the cleaning apparatus 10 described above, when the waste liquid 16 is filled from the first chamber 21 to the third chamber 21b of the cushion tank 17 while being cooled by the waste liquid cooling means. The waste liquid 16 having a temperature of less than 60 ° C. is caused to flow into the fourth chamber 21c with an overflow structure that overflows the upper end of the second partition plate 22a between the fourth chamber 21c adjacent to the third chamber 21b. And in this washing | cleaning processing apparatus 10, the waste liquid which drained the waste liquid 16 which flowed into the 4th chamber 21c of the cushion tank 17 from the bottom part of the 4th chamber 21c through the general resin pipe which has a heat resistant temperature of 60 degreeC. Has discharge means.

上記の洗浄処理装置10では、従来の設備にクッションタンク17と、熱交換器19を付けることで、廃液冷却手段で高温の廃液16を冷却させ、この冷却させた廃液16を廃液排出手段で排出させて排水処理装置24に送り込み処理でき、従来設備の僅かな改造で、特段な排水処理のための設備増強や、高温の廃液16を冷却させるための冷却用の水を用いることもなく、洗浄能力を向上できると共に、従来の樹脂パイプを用いて排出できる安価な洗浄処理装置を提供することができる。   In the above-described cleaning treatment apparatus 10, the cushion tank 17 and the heat exchanger 19 are attached to the conventional equipment so that the high temperature waste liquid 16 is cooled by the waste liquid cooling means, and the cooled waste liquid 16 is discharged by the waste liquid discharging means. The waste water treatment device 24 can be sent to the waste water treatment device 24, and it can be washed without any increase in the facilities for special waste water treatment or cooling water for cooling the high temperature waste liquid 16 with a slight modification of the conventional equipment. It is possible to provide an inexpensive cleaning apparatus that can improve the capacity and can be discharged using a conventional resin pipe.

なお、上記のような洗浄処理装置10は、薬液に酸性や、アルカリ性の薬剤が用いられているので、従来から配管には、耐薬液性のある樹脂パイプを用いるのが一般的になっていた。そして、一般的な樹脂パイプは、耐熱温度が60℃と低く、上記のような高温の廃液16を取り扱う部分には一般的な樹脂パイプを用いることができなので、上記の洗浄処理装置10では、高温の廃液16を洗浄槽15から新規に取り付けるクッションタンク17の第一室21に落とし込む間の配管、及び高温の廃液16がクッションタンク17の第一室21の底部から新規に取り付ける熱交換器19を介してクッションタンク17の第三室21bに落とし込まれて循環する部分の配管に耐熱温度が高く耐薬液性のある特殊な樹脂パイプを用いている。   In addition, since the washing | cleaning processing apparatus 10 as mentioned above uses an acidic or alkaline chemical | medical agent for a chemical | medical solution, it has been common to use a resin pipe with a chemical-resistant property for piping conventionally. . And since a general resin pipe has a heat-resistant temperature as low as 60 ° C. and can handle a high-temperature waste liquid 16 as described above, a general resin pipe can be used. Piping while dropping the high temperature waste liquid 16 from the cleaning tank 15 to the first chamber 21 of the cushion tank 17 to be newly attached, and the heat exchanger 19 to which the high temperature waste liquid 16 is newly attached from the bottom of the first chamber 21 of the cushion tank 17. A special resin pipe having a high heat resistant temperature and high chemical resistance is used for the piping of the portion that is dropped into the third chamber 21b of the cushion tank 17 and circulates through the pipe.

本発明の洗浄処理装置は、半導体素子収納用パッケージ、銅張り基板等の電子部品にめっき処理や、エッチング処理等を行うための装置として用いることができる。   The cleaning apparatus of the present invention can be used as an apparatus for performing a plating process, an etching process, or the like on an electronic component such as a package for housing a semiconductor element or a copper-clad substrate.

10:洗浄処理装置、11:薬液槽、12:薬液、13:被処理物、14:純水、15:洗浄槽、16:廃液、17:クッションタンク、18:ポンプ、19:熱交換器、20:外壁、21:第一室、21a:第二室、21b:第三室、21c:第四室、22:第1の仕切り板、22a:第2の仕切り板、22b:第3の仕切り板、23:切り欠き部、24:排水処理装置   10: Cleaning treatment device, 11: Chemical solution tank, 12: Chemical solution, 13: Object to be treated, 14: Pure water, 15: Cleaning tank, 16: Waste liquid, 17: Cushion tank, 18: Pump, 19: Heat exchanger 20: outer wall, 21: first chamber, 21a: second chamber, 21b: third chamber, 21c: fourth chamber, 22: first partition plate, 22a: second partition plate, 22b: third partition Plate, 23: Notch, 24: Waste water treatment device

Claims (1)

薬液槽内で処理した被処理物を60℃以上100℃未満に加熱された純水中で洗浄するための洗浄槽と、該洗浄槽からオーバーフローして排出される廃液を落とし込むためのクッションタンクと、該クッションタンクから取り出される前記廃液を送り出すためのポンプと、該ポンプで送り出す前記廃液を通過させて該廃液の熱エネルギーを前記洗浄槽へ供給する前記純水に付与させた後、前記廃液を前記クッションタンクに送り込むと共に、前記純水を前記洗浄槽に送り込むための熱交換器と、を有し、しかも、前記クッションタンクの外壁で囲まれる内部には、第一、第二、第三、第四室が並列、又は渦巻て連接する4室の前記第一、第二室間に前記外壁の高さより低いオーバーフロー構造からなる第1の仕切り板と、前記第三、第四室間に前記第1の仕切り板の高さより高い前記オーバーフロー構造からなる第2の仕切り板と、前記第一、第二室のグループと前記第三、第四室のグループの間に前記外壁の高さと略同等の高さからなる第3の仕切り板と、該第3の仕切り板の前記第二室と前記第三室の間の下方にダウンフロー構造用の切り欠き部を有する洗浄処理装置であって、
前記洗浄槽から排出される前記廃液を前記クッションタンクの前記第一室に落とし込んだ後、該第一室の底部から取り出し前記ポンプで送り出して前記熱交換器を通過させ前記クッションタンクの前記第三室に落とし込み前記第三室と隣接する前記第二室間の前記ダウンフロー構造、前記第二室と隣接する前記第一室間の前記オーバーフロー構造、及び前記熱交換器中を循環させながら前記廃液を60℃未満とする廃液冷却手段と、
前記廃液が前記第一室から前記第三室までに満されたときに前記第三室と隣接する前記第四室間の前記オーバーフロー構造で前記第四室に前記廃液を流れ込ませて底部から耐熱温度60℃の樹脂パイプを介して排出させる廃液排出手段を有することを特徴とする洗浄処理装置。
A cleaning tank for cleaning an object to be processed in a chemical tank in pure water heated to 60 ° C. or more and less than 100 ° C., and a cushion tank for dropping waste liquid discharged from the cleaning tank A pump for sending out the waste liquid taken out from the cushion tank; and passing the waste liquid sent out by the pump to impart the thermal energy of the waste liquid to the pure water supplied to the cleaning tank, And a heat exchanger for sending the pure water to the washing tank, and the interior surrounded by the outer wall of the cushion tank includes the first, second, third, A first partition plate having an overflow structure lower than the height of the outer wall between the first and second chambers of the four chambers in which the fourth chambers are connected in parallel or spirally, and between the third and fourth chambers A height of the outer wall between the second partition plate having the overflow structure higher than the height of the first partition plate, and between the first and second chamber groups and the third and fourth chamber groups; A cleaning apparatus having a third partition plate having an equivalent height, and a notch for downflow structure below the second chamber and the third chamber of the third partition plate. ,
After the waste liquid discharged from the washing tank is dropped into the first chamber of the cushion tank, it is taken out from the bottom of the first chamber, sent out by the pump, passed through the heat exchanger, and passed through the third chamber of the cushion tank. The waste liquid while being circulated in the heat exchanger dropped into the chamber, the downflow structure between the second chamber adjacent to the third chamber, the overflow structure between the first chamber adjacent to the second chamber, and the heat exchanger Waste liquid cooling means for reducing the temperature to less than 60 ° C .;
When the waste liquid is filled from the first chamber to the third chamber, the waste liquid flows into the fourth chamber with the overflow structure between the fourth chamber adjacent to the third chamber and heat resistant from the bottom. A cleaning apparatus comprising waste liquid discharging means for discharging through a resin pipe having a temperature of 60 ° C.
JP2013149289A 2013-07-18 2013-07-18 Cleaning treatment apparatus Pending JP2015020102A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109794462A (en) * 2019-03-21 2019-05-24 威海威高血液净化制品有限公司 Plural serial stage water washing device
WO2020125279A1 (en) * 2018-12-17 2020-06-25 大连理工大学 Semi-automatic copper-clad board corrosion box

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020125279A1 (en) * 2018-12-17 2020-06-25 大连理工大学 Semi-automatic copper-clad board corrosion box
CN109794462A (en) * 2019-03-21 2019-05-24 威海威高血液净化制品有限公司 Plural serial stage water washing device
CN109794462B (en) * 2019-03-21 2024-05-24 山东威高血液净化制品股份有限公司 Multistage serial water washing device

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