JPH02307080A - 液冷bt装置 - Google Patents

液冷bt装置

Info

Publication number
JPH02307080A
JPH02307080A JP1129153A JP12915389A JPH02307080A JP H02307080 A JPH02307080 A JP H02307080A JP 1129153 A JP1129153 A JP 1129153A JP 12915389 A JP12915389 A JP 12915389A JP H02307080 A JPH02307080 A JP H02307080A
Authority
JP
Japan
Prior art keywords
cooling liquid
printed board
liquid
filter
pump
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
JP1129153A
Other languages
English (en)
Inventor
Makoto Ishizawa
真 石澤
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Priority to JP1129153A priority Critical patent/JPH02307080A/ja
Publication of JPH02307080A publication Critical patent/JPH02307080A/ja
Pending legal-status Critical Current

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  • Testing Of Individual Semiconductor Devices (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明はICの信頼性評価用の液冷BT装置に関し、特
に循環中の冷却用液体のフィルター機能を備えた液冷B
T装置に関する。
〔従来の技術〕
従来、この種の液冷BT装置は、冷却用液体として炭素
及びフッ素を主成分とする高分子化合物(例えば、3M
社製、商品名フロリナート)を使用し、約50〜150
°C内の任意温度に調節されたこの冷却用液体中に、B
Tプリント板に実装したIC等を浸漬してバーンインを
行うようになっている。しかし、冷却用液体の汚染を除
去し、清浄度を回復させることを稼働中に行う手段は設
けられていなかった。
〔発明が解決しようとする課題〕
上述した従来の液冷BT装置は、汚れの付着したICや
BTプリント板を投入するなどして、冷却用液体が汚染
された場合、投入中のICへの2次汚染が避けられず、
一度汚染されてしまった冷却用液体の清浄度を回復させ
るには、液冷BT装置から冷却用液体を回収し、再生作
業を行うしか方法がないという欠点がある。
〔課題を解決するための手段〕
本発明は、循環する冷却用液体にICを浸漬しバーンイ
ンを行う液冷BT装置において、前記冷却用液体の循環
経路中に冷却用液体を清浄化するフィルターを取り付け
た液冷BT装置である。
〔実施例〕
第1図は本発明の第1の実施例の縦断面図である。
ICが実装されたBTプリント板1はエレベータ−2に
取り付けられ、装置本体の頂面に設けられたウィンチ3
により上下に移動できるようになっており、上にある状
態で扉4を開けてBTプリント板1の出し入れ作業を行
ない、下にある状態で87層5に満たされた冷却用液体
中に浸漬し、BT電源6からケーブル7を介してBTプ
リント板1に実装されたICに電源を供給しBTを行う
冷却用液体はポンプ13よりフィルター14に流れ込み
、汚染を除去されたのち吹き出し口8から出て、BT槽
5を満たした後オーバーフロ一槽9へ流れ込み、ドレイ
ン口10を通り液温調節用のヒーター11および冷却器
12を通り、再びポンプ13へ入る0本実施例で使用す
るフィルターは、通常、各種液体に使用されているフィ
ルターならば特に差し使えなく使用できる。第2図は本
発明の第2の実施例の縦断面図である。
ICが実装されたBTプリント板1は装置本体の扉4に
取り付けられ、扉4を横方向に開けな状態でBTプリン
ト板1の出し入れ作業を行ない、扉4を閉めた状態でB
T電源5からケーブル7を介してBTプリント板1に実
装されたICに電源供給しBTを行う。
冷却用液体はポンプ13よりフィルター14に流れ込み
、汚染を除去されたのちノズル15から噴射され、IC
を冷却したのちドレイン口10を通り、液温調節用のヒ
ーター11および冷却器12を通り、再びポンプ13へ
入る。この実施例では、噴射式のため、冷却用液体の流
量が少なくてよく、またICに付着した汚れをBT中に
取り去る効果が大きいという利点がある。
〔発明の効果〕
以上説明したように本発明は、ICと接触する冷却用液
体を循環させ、なおかつ循環経路中にフィルターを取り
付けることにより、装置稼働中の冷却用液体を常に清浄
な状態に保つことができ、冷却用液体の汚れによるIC
への2次汚染を防止し、なおかつ投入前のICに付着し
ていた汚れさえも、BTを行うことにより除去すること
が可能であるという効果がある。
図面の簡単な説明 第1図は本発明の第1の実施例の縦断面図、第2図は本
発明の第2の実施例の縦断面図である。
1・・・BTプリント板、2・・・エレベータ−13・
・・ウィンチ、4・・・扉、5・・・BT槽、6・・・
BT電源、7・・・ケーブル、8・・・吹き出し口、9
・・・オーバーフロ一槽、10・・・ドレイン口、11
・・・ヒーター、12・・・冷却器、13・・・ポンプ
、14・・・フィルター、15・・・ノズル。

Claims (1)

    【特許請求の範囲】
  1. 循環する冷却用液体にICを浸漬しバーンインを行う液
    冷BT装置において、前記冷却用液体の循環経路中に冷
    却用液体を清浄化するフィルターを取り付けたことを特
    徴とする液冷BT装置。
JP1129153A 1989-05-22 1989-05-22 液冷bt装置 Pending JPH02307080A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1129153A JPH02307080A (ja) 1989-05-22 1989-05-22 液冷bt装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1129153A JPH02307080A (ja) 1989-05-22 1989-05-22 液冷bt装置

Publications (1)

Publication Number Publication Date
JPH02307080A true JPH02307080A (ja) 1990-12-20

Family

ID=15002455

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1129153A Pending JPH02307080A (ja) 1989-05-22 1989-05-22 液冷bt装置

Country Status (1)

Country Link
JP (1) JPH02307080A (ja)

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US8208115B2 (en) * 2007-11-16 2012-06-26 Manufacturing Resources International, Inc. Fluid cooled display
US9801305B2 (en) 2008-03-03 2017-10-24 Manufacturing Resources International, Inc. Heat exchanger for an electronic display
US9797588B2 (en) 2008-03-03 2017-10-24 Manufacturing Resources International, Inc. Expanded heat sink for electronic displays
US9835893B2 (en) 2008-03-03 2017-12-05 Manufacturing Resources International, Inc. Heat exchanger for back to back electronics displays
US9894800B2 (en) 2008-03-03 2018-02-13 Manufacturing Resources International, Inc. Constricted convection cooling system for an electronic display
US10080316B2 (en) 2009-11-13 2018-09-18 Manufacturing Resources International, Inc. Electronic display assembly having thermal cooling plate and optional convective air cooling loop
US10088702B2 (en) 2013-07-08 2018-10-02 Manufacturing Resources International, Inc. Figure eight closed loop cooling system for electronic display
US10194564B2 (en) 2014-04-30 2019-01-29 Manufacturing Resources International, Inc. Back to back electronic display assembly
US10212845B2 (en) 2014-03-11 2019-02-19 Manufacturing Resources International, Inc. Hybrid rear cover and mounting bracket for electronic display
US10278311B2 (en) 2015-02-17 2019-04-30 Manufacturing Resources International, Inc. Perimeter ventilation system
US10314212B2 (en) 2008-12-18 2019-06-04 Manufacturing Resources International, Inc. System for cooling an electronic image assembly with circulating gas and ambient gas
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US10420257B2 (en) 2008-03-26 2019-09-17 Manufacturing Resources International, Inc. System and method for maintaining a consistent temperature gradient across an electronic display
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US10524384B2 (en) 2013-03-15 2019-12-31 Manufacturing Resources International, Inc. Cooling assembly for an electronic display
US10524397B2 (en) 2013-03-15 2019-12-31 Manufacturing Resources International, Inc. Heat exchanger assembly for an electronic display
US10559965B2 (en) 2017-09-21 2020-02-11 Manufacturing Resources International, Inc. Display assembly having multiple charging ports
US10660245B2 (en) 2012-10-16 2020-05-19 Manufacturing Resources International, Inc. Back pan cooling assembly for electronic display
US10795413B1 (en) 2019-04-03 2020-10-06 Manufacturing Resources International, Inc. Electronic display assembly with a channel for ambient air in an access panel
US10820445B2 (en) 2016-03-04 2020-10-27 Manufacturing Resources International, Inc. Cooling system for double sided display assembly
US10827656B2 (en) 2008-12-18 2020-11-03 Manufacturing Resources International, Inc. System for cooling an electronic image assembly with circulating gas and ambient gas
US11019735B2 (en) 2018-07-30 2021-05-25 Manufacturing Resources International, Inc. Housing assembly for an integrated display unit
US11096317B2 (en) 2019-02-26 2021-08-17 Manufacturing Resources International, Inc. Display assembly with loopback cooling
US11470749B2 (en) 2020-10-23 2022-10-11 Manufacturing Resources International, Inc. Forced air cooling for display assemblies using centrifugal fans
US11477923B2 (en) 2020-10-02 2022-10-18 Manufacturing Resources International, Inc. Field customizable airflow system for a communications box
US11744054B2 (en) 2021-08-23 2023-08-29 Manufacturing Resources International, Inc. Fan unit for providing improved airflow within display assemblies
US11762231B2 (en) 2021-08-23 2023-09-19 Manufacturing Resources International, Inc. Display assemblies inducing turbulent flow
US11778757B2 (en) 2020-10-23 2023-10-03 Manufacturing Resources International, Inc. Display assemblies incorporating electric vehicle charging equipment
US11919393B2 (en) 2021-08-23 2024-03-05 Manufacturing Resources International, Inc. Display assemblies inducing relatively turbulent flow and integrating electric vehicle charging equipment
US11966263B2 (en) 2021-07-28 2024-04-23 Manufacturing Resources International, Inc. Display assemblies for providing compressive forces at electronic display layers
US11968813B2 (en) 2021-11-23 2024-04-23 Manufacturing Resources International, Inc. Display assembly with divided interior space
US12010813B2 (en) 2022-07-22 2024-06-11 Manufacturing Resources International, Inc. Self-contained electronic display assembly, mounting structure and methods for the same
US12035486B1 (en) 2022-07-25 2024-07-09 Manufacturing Resources International, Inc. Electronic display assembly with fabric panel communications box
US12072561B2 (en) 2022-07-22 2024-08-27 Manufacturing Resources International, Inc. Self-contained electronic display assembly, mounting structure and methods for the same
US12127383B2 (en) 2007-11-16 2024-10-22 Manufacturing Resources International, Inc. Electronic display assembly with thermal management
US12408312B2 (en) 2021-07-28 2025-09-02 Manufacturing Resources International, Inc. Display assemblies with vents
US12598727B2 (en) 2024-01-09 2026-04-07 Manufacturing Resources International, Inc. Double sided display assembly with bi-directional flow through a common, partitioned heat exchanger

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59162465A (ja) * 1983-03-07 1984-09-13 Hitachi Micro Comput Eng Ltd 試験装置
JPS62277734A (ja) * 1986-05-26 1987-12-02 Nec Corp 半導体基板の洗浄方法
JPS63305906A (ja) * 1987-06-05 1988-12-13 Matsushita Electric Works Ltd 湯の循環ろ過装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59162465A (ja) * 1983-03-07 1984-09-13 Hitachi Micro Comput Eng Ltd 試験装置
JPS62277734A (ja) * 1986-05-26 1987-12-02 Nec Corp 半導体基板の洗浄方法
JPS63305906A (ja) * 1987-06-05 1988-12-13 Matsushita Electric Works Ltd 湯の循環ろ過装置

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US8208115B2 (en) * 2007-11-16 2012-06-26 Manufacturing Resources International, Inc. Fluid cooled display
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