JPH01107965A - Filtering device for solvent for vapor phase soldering - Google Patents
Filtering device for solvent for vapor phase solderingInfo
- Publication number
- JPH01107965A JPH01107965A JP26506487A JP26506487A JPH01107965A JP H01107965 A JPH01107965 A JP H01107965A JP 26506487 A JP26506487 A JP 26506487A JP 26506487 A JP26506487 A JP 26506487A JP H01107965 A JPH01107965 A JP H01107965A
- Authority
- JP
- Japan
- Prior art keywords
- solvent
- tank
- filter
- vapor phase
- cooling tank
- 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
Links
- 239000002904 solvent Substances 0.000 title claims abstract description 82
- 238000001914 filtration Methods 0.000 title claims abstract description 26
- 239000012808 vapor phase Substances 0.000 title claims abstract description 17
- 238000005476 soldering Methods 0.000 title claims description 9
- 238000001816 cooling Methods 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 32
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000000605 extraction Methods 0.000 claims description 5
- 230000004907 flux Effects 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 5
- 239000002253 acid Substances 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000012442 inert solvent Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910000951 Aluminide Inorganic materials 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/012—Soldering with the use of hot gas
- B23K1/015—Vapour-condensation soldering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の目的〕
（産業上の利用分野）
本発明は、気相式はんだ付け装置において使用される飽
和蒸気相形成用溶剤を濾過再生するフィルタリング装置
に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a filtering device for filtering and regenerating a saturated vapor phase forming solvent used in a vapor phase soldering device.
（従来の技術）
気相式はんだ付け装置は、第２図に示されるように、蒸
気槽１０の液槽部１１に収容された溶剤（フッ素系不活
性溶剤、商品名・７０リナート）１２が図示しないヒー
タの加熱作用によって蒸発して、蒸気９９１０の内部に
飽和蒸気相１３が形成され、この蒸気相１３の内部に挿
入されたプリント配？！基板１４と基板搭載部品とが、
その間のクリームはんだによってリフローはんだ付けさ
れる。前記基板１４は、前記蒸気槽１０の一側に設けら
れた搬入口１５からコンベヤによって搬入され、他側に
設けられた搬出口１６から外部に搬出される。前記飽和
蒸気相１３の領域は、冷却コイル１７．１８の凝縮作用
によって一定範囲に限定される。(Prior Art) As shown in FIG. 2, in a vapor phase soldering apparatus, a solvent (fluorine-based inert solvent, trade name: 70 Linate) 12 contained in a liquid tank part 11 of a steam tank 10 is used. The vapor 9910 is evaporated by the heating action of a heater (not shown), and a saturated vapor phase 13 is formed inside the vapor 9910. ! The board 14 and the board mounted components are
It is reflow soldered with cream solder in between. The substrate 14 is carried in by a conveyor through a carry-in port 15 provided on one side of the steam tank 10, and is carried out to the outside through a carry-in port 16 provided on the other side. The region of the saturated vapor phase 13 is limited to a certain range by the condensing action of the cooling coils 17,18.
このような気相式はんだ付け装置において、前記液槽部
１１の内部に収容された溶剤１２は、基板１４等に付着
しているフラックス等の混入によって劣化するものであ
る。この溶剤１２の劣化を防止するために、液槽部１１
から引出した管路中にポンプ２１およびフィルタ２２を
設け、気相式はんだ付け装置を運転している最中に、液
槽部１１から少しづつ取出した溶剤をフィルタ２２によ
って濾過し、蒸気槽１０に循環させる運転中のフィルタ
リングと、次に説明する運転停止時のフィルタリングと
を行うようにしている。In such a vapor phase soldering apparatus, the solvent 12 contained in the liquid tank 11 deteriorates due to mixing of flux and the like adhering to the substrate 14 and the like. In order to prevent this solvent 12 from deteriorating, the liquid tank section 11
A pump 21 and a filter 22 are installed in the pipe drawn out from the vapor tank 10, and while the vapor phase soldering apparatus is operating, the solvent taken out little by little from the liquid tank 11 is filtered by the filter 22, and the solvent is removed from the vapor tank 10. Filtering is carried out during operation, which circulates the engine, and filtering is performed when the operation is stopped, which will be explained next.
すなわち、前記液ＷＩ部１１の下部から引出された取出
し管路３１に電動弁３２を介して溶剤冷却タンク３３が
接続され、このタンク３３の下部から引出された管路に
電動弁３４を介してフィルタリング・タンク３５が接続
され、このタンク３５の内部に溶剤量は為３６が設けら
れ、この受は器３６の内部にマット・フィルタ３７が設
けられ、このフィルタリング・タンク３５の下部から引
出された管路にポンプ４１、電磁弁４２および濾紙材を
用いたカートリッジ・タイプのフィルタ４３が設けられ
、さらにこのフィルタ４３を経た循環管路４４は前記溶
剤冷却タンク３３に接続されている。また前記ポンプ４
１の吐出側管路から電磁弁４５を経て戻し管路４６が引
出され、前記取出し管路３１に接続されている。That is, a solvent cooling tank 33 is connected to an extraction pipe 31 drawn out from the lower part of the liquid WI section 11 via an electric valve 32, and a solvent cooling tank 33 is connected to the extraction pipe 31 drawn out from the lower part of the tank 33 via an electric valve 34. A filtering tank 35 is connected, a solvent reservoir 36 is provided inside this tank 35, and a mat filter 37 is provided inside the container 36, which is pulled out from the bottom of this filtering tank 35. A pump 41, a solenoid valve 42, and a cartridge type filter 43 using filter paper material are provided in the pipeline, and a circulation pipeline 44 passing through the filter 43 is connected to the solvent cooling tank 33. In addition, the pump 4
A return pipe line 46 is drawn out from the discharge side pipe line 1 through a solenoid valve 45 and is connected to the take-out pipe line 31 .
そうして、運転停止直後の高温の溶剤１２が、取出し管
路３１および開かれた電動弁３２を経て溶剤冷却タンク
３３に取出され、このタンク３３内で冷却された溶剤が
、開かれた電動弁３４を経てフィルタリング・タンク３
５の上部に供給され、内部のマット・フィルタ３７で濾
過され、このタンク３５の下部に溜められる。このタン
ク３５内の溶剤は、ポンプ４１によって電磁弁４２を経
てフィルタ４３により濾過され、管路４４を経て溶剤冷
却タンク３３に戻される。Then, the high-temperature solvent 12 immediately after the operation is stopped is taken out to the solvent cooling tank 33 via the take-out pipe 31 and the opened electric valve 32, and the solvent cooled in this tank 33 is transferred to the opened electric valve. Filtering tank 3 via valve 34
The water is supplied to the upper part of tank 5, filtered by an internal mat filter 37, and stored in the lower part of this tank 35. The solvent in this tank 35 is filtered by a pump 41 through a solenoid valve 42 and a filter 43, and is returned to the solvent cooling tank 33 through a pipe line 44.
このようなフィルタリングを上記循環系で複数回繰返し
て行い、最後に電磁弁４２を閉じるとともに電磁弁４５
を開き、戻し管路４６を経て蒸気槽１０の液槽部１１に
フィルタリングされた溶剤を戻すようにする。Such filtering is repeated multiple times in the circulation system, and finally the solenoid valve 42 is closed and the solenoid valve 45 is closed.
is opened, and the filtered solvent is returned to the liquid tank section 11 of the steam tank 10 via the return pipe 46.
（発明が解決しようとする問題点）
この従来のフィルタリング回路で使用されるマット・フ
ィルタ３７により濾過できる物質は５０μｍ程度までで
あり、溶剤中に混入したフラックス分の除去率が比較的
低い。また、運転停止状態で溶剤を濾過するための溶剤
循環系に２個のタンク３３．３５および２種のフィルタ
３７．４３が設けられ、それに伴い配管も長くなるので
、装置全長および全ｆｆ１ｆｆｉが大となる割には、メ
ンテナンス・スペースが狭くなり、液漏れ等のトラブル
発生率も比較的高いし、また保守点検箇所が多く、液戻
し時の管内等に残留する液量も多い。また、２個のタン
ク３３．３７を設けたことにより溶剤冷却タンク３３を
小さくせざるを得す、このタンク３３での冷却に時間が
かかり、装置の自動停止時間が長くなる。(Problems to be Solved by the Invention) The material that can be filtered by the mat filter 37 used in this conventional filtering circuit is up to about 50 μm, and the removal rate of flux mixed into the solvent is relatively low. In addition, two tanks 33,35 and two types of filters 37,43 are provided in the solvent circulation system for filtering solvent when the operation is stopped, and the piping becomes longer accordingly, so the total length of the device and the total ff1ffi are increased. However, the maintenance space is small, the incidence of problems such as liquid leakage is relatively high, there are many maintenance and inspection points, and there is a large amount of liquid remaining in pipes etc. when liquid is returned. Further, by providing the two tanks 33 and 37, the solvent cooling tank 33 has to be made smaller, and cooling in this tank 33 takes time, and the automatic stop time of the apparatus becomes longer.
本発明の目的は、従来よりもフラックス等の除去に数段
優れた性能を発揮するフィルタを選択できたことにより
、従来のフィルタリング・タンクを不要とし、その分、
溶剤冷却タンクを大形化するとともに配管を短くするこ
とで、従来の問題点を一挙に解決することにある。The purpose of the present invention is to eliminate the need for a conventional filtering tank by selecting a filter that exhibits much better performance in removing flux, etc. than conventional filters.
The aim is to solve all the problems of the conventional method at once by increasing the size of the solvent cooling tank and shortening the piping.
（問題点を解決するための手段）
本発明は、蒸気槽１０の液ＩＩ部１１から取出された飽
和蒸気相形成用溶剤１２を溶剤冷却タンク３３にて冷却
し、その溶剤を循環管路４４で循環しながらフィルタリ
ングを行い、フィルタリング完了の溶剤を戻し管路４６
によって前記液槽部１１に戻すフィルタリング装置にお
いて、前記液槽部１１の下部から引出された取出し管路
３１の先端に、液槽部１１に比べ十分に大形の溶剤冷却
タンク３３を接続し、この溶剤冷却タンク３３の下部か
ら引出されこの溶剤冷却タンク３３の上部に戻される循
環管路４４に、主として活性アルミナを濾材にしてカー
トリッジ化してなるフィルタ５２が設けられたものであ
る。(Means for Solving the Problems) The present invention cools the saturated vapor phase forming solvent 12 taken out from the liquid II section 11 of the steam tank 10 in the solvent cooling tank 33, and transfers the solvent to the circulation pipe 44. Filtering is performed while circulating in the pipe 46, and the filtered solvent is returned to the pipe 46.
In the filtering device that returns the liquid to the liquid tank section 11, a solvent cooling tank 33 which is sufficiently larger than the liquid tank section 11 is connected to the tip of the extraction pipe line 31 drawn out from the lower part of the liquid tank section 11, A filter 52 formed into a cartridge mainly using activated alumina as a filter material is provided in a circulation pipe 44 drawn out from the lower part of the solvent cooling tank 33 and returned to the upper part of the solvent cooling tank 33.
（作用）
本発明は、液槽部１１から引出された溶剤１２を、液槽
部１１に比べ十分に大形の溶剤冷却タンク３３で冷却し
、この溶剤冷却タンク３３から、活性アルミすを濾材に
してカートリッジ化してなるフィルタ５２を経て溶剤を
循環する過程で、活性アルミナの優れた吸着能力により
フラックス等の酸性物質を溶剤中から効率良く除去する
。また、この活性アルミナのフィルタ５２を用いること
により、従来のマット・フィルタが必要でなく、そのた
めのフィルタリング・タンクも必要でない。(Function) The present invention cools the solvent 12 drawn out from the liquid tank section 11 in a solvent cooling tank 33 that is sufficiently larger than the liquid tank section 11, and from the solvent cooling tank 33, an activated aluminum filter material is passed through the solvent cooling tank 33. In the process of circulating the solvent through the filter 52 formed into a cartridge, acidic substances such as flux are efficiently removed from the solvent due to the excellent adsorption ability of activated alumina. Additionally, by using the activated alumina filter 52, a conventional matte filter is not required, nor is a filtering tank required for it.
（実施例）
以下、本発明を第１図に示される実施例を参照して説明
する。なお、第２図に示された従来例と同様の部分には
、同一符号を付してその説明を省略する。(Example) The present invention will be described below with reference to an example shown in FIG. Note that the same parts as in the conventional example shown in FIG. 2 are given the same reference numerals, and the explanation thereof will be omitted.
前記液槽部１１の下部から引出された取出し管路３１の
先端に、液槽部１１に比べ十分に大形の溶剤冷却タンク
３３を接続する。この溶剤冷却タンク３３の内部には、
低湿の溶剤５１が予め収容されている。A solvent cooling tank 33, which is sufficiently larger than the liquid tank part 11, is connected to the tip of the extraction pipe 31 drawn out from the lower part of the liquid tank part 11. Inside this solvent cooling tank 33,
A low-humidity solvent 51 is stored in advance.
この溶剤５１は、前記蒸気槽１０内の飽和蒸気相形成用
溶剤１２と同一のフッ素系不活性溶剤（商品名７０リナ
ート）であり、液槽部１１から取出された高温の溶剤１
２を直ちに冷却する働きがある。さらに、この溶剤冷却
タンク３３の内部には、図示されない水冷ジャケットが
設けられており、この水冷ジャケットによって溶剤が強
制冷用される。This solvent 51 is the same fluorine-based inert solvent (trade name 70 Linate) as the saturated vapor phase forming solvent 12 in the steam tank 10, and the high temperature solvent 1 taken out from the liquid tank 11
2 has the function of immediately cooling down. Furthermore, a water cooling jacket (not shown) is provided inside the solvent cooling tank 33, and the solvent is forcibly cooled by this water cooling jacket.
また、この溶剤冷却タンク３３の下部から引出されこの
溶剤冷却タンク３３の上部に戻される循環管路４４に、
主として活性アルミナを濾材にしてカートリッジ化して
なるフィルタ５２が設けられている。このフィルタ５２
のカートリッジは、米国の１＋１Ｌ１４ＡＲＤ Ｃ０
ＲＰＯＲＡＴＩＯＮ製の商品（商品名アルミナイドカー
トリッジ）であり、活性アルミナを耐水性処理した粉状
物質に活性炭を混合してカートリッジ化したものである
。このカートリッジの特徴としては、酸に対する吸着能
力が非常に優れ、また鉱物油や合成油の分解生成物を除
去し、さらに１μｍ程度の微細なパーティクルまで捕捉
できる点が挙げられる。また耐熱性でも優れており、１
７０℃程度の溶剤にも耐えることができる。In addition, a circulation pipe 44 that is drawn out from the lower part of the solvent cooling tank 33 and returned to the upper part of the solvent cooling tank 33 has a
A filter 52 is provided which is formed into a cartridge mainly using activated alumina as a filtering material. This filter 52
The cartridge is US 1+1L14ARD C0
This is a product manufactured by RPORATION (trade name: Aluminide Cartridge), and is made into a cartridge by mixing activated carbon with a powdered substance made by treating activated alumina to be water-resistant. Characteristics of this cartridge include its excellent adsorption ability for acids, the ability to remove decomposition products of mineral oil and synthetic oil, and the ability to capture even minute particles of about 1 μm. It also has excellent heat resistance, 1
It can also withstand solvents at temperatures of about 70°C.
そうして、運転が停止されたら、液槽部１１から全ての
溶剤１２を液槽部１１に比べ十分に大形の溶剤冷却タン
ク３３に一度に取出し、このタンク３３で溶剤を急冷し
、さらにこのタンク３３から、ポンプ４１によって前記
フィルタ５２を経て溶剤を循環する過程で、フィルタ５
２中の活性アルミナおよび活性炭の優れた吸着能力によ
りフラックス等の酸性物質および不純物を溶剤中から効
率良く除去する。Then, when the operation is stopped, all the solvent 12 is taken out at once from the liquid tank section 11 into the solvent cooling tank 33, which is sufficiently larger than the liquid tank section 11, and the solvent is rapidly cooled in this tank 33. In the process of circulating the solvent from this tank 33 through the filter 52 by the pump 41, the filter 5
Due to the excellent adsorption ability of activated alumina and activated carbon in No. 2, acidic substances such as flux and impurities are efficiently removed from the solvent.
本発明によれば、酸性物質に対する吸着能力が非常に優
れた活性アルミナを濾材にしてカートリッジ化してなる
フィルタをフィルタリング用の循環管路中に設けたこと
により、従来のフィルタに比べ、溶剤中に混入したフラ
ックス等の除去率を非常に高めることができる。さらに
、これに伴って、フィルタリング・タンクを設ける必要
がないので、装置全長および全重量が小となるとともに
、メンテナンス・スペースを広く取れ、液漏れ等のトラ
ブル発生率も比較的低くなる。また配管も短くなるとと
もに、保守点検箇所が少なくなり、液戻し時の管内等に
残留する液量も少なくなる。According to the present invention, by providing a cartridge-formed filter made of activated alumina, which has an extremely excellent adsorption ability for acidic substances, as a filter medium in the filtering circulation pipe, it is possible to absorb solvents more easily than conventional filters. The removal rate of mixed flux etc. can be greatly increased. Furthermore, since there is no need to provide a filtering tank, the overall length and weight of the device can be reduced, a large maintenance space can be secured, and the incidence of problems such as liquid leakage is relatively low. In addition, the piping is shortened, the number of maintenance and inspection points is reduced, and the amount of liquid remaining in the pipes etc. when liquid is returned is also reduced.
また、従来のフィルタリング・タンクを不要として溶剤
冷却タンクを大きくすることで、この溶剤冷却タンクに
液槽部から一度に溶剤を取出して能率良く溶剤を冷却で
き、その分、装置の自動停止時間が短くなり、気相式は
んだ付け装置の稼働率を上げることができる。In addition, by making the conventional filtering tank unnecessary and increasing the size of the solvent cooling tank, the solvent can be taken out from the liquid tank at once to the solvent cooling tank and the solvent can be cooled efficiently, which reduces the automatic shutdown time of the equipment. This makes it possible to increase the operating rate of the vapor phase soldering equipment.
第１図は本発明の気相式はんだ付け用溶剤のフィルタリ
ング装置の一実施例を示す流体回路図、第２図は従来の
フィルタリング用流体回路図である。
１０・・蒸気槽、１１・・液槽部、１２・・溶剤、３１
・・取出し管路、３３・・溶剤冷却タンク、４４・・循
環管路、４６・・戻し管路、５２・・活性アルミナを濾
材とするフィルタ。FIG. 1 is a fluid circuit diagram showing an embodiment of the vapor phase soldering solvent filtering device of the present invention, and FIG. 2 is a conventional fluid circuit diagram for filtering. 10...Steam tank, 11...Liquid tank section, 12...Solvent, 31
...Takeout pipe line, 33...Solvent cooling tank, 44...Circulation pipe line, 46...Return pipe line, 52...Filter using activated alumina as a filter medium.
Claims (2)
溶剤を溶剤冷却タンクにて冷却し、その溶剤を循環管路
で循環しながらフィルタリングを行い、フィルタリング
完了の溶剤を戻し管路によつて前記液槽部に戻すフィル
タリング装置において、前記液槽部の下部から引出され
た取出し管路の先端に、液槽部に比べ十分に大形の溶剤
冷却タンクを接続し、この溶剤冷却タンクの下部から引
出されこの溶剤冷却タンクの上部に戻される循環管路に
、主として活性アルミナを濾材にしてカートリッジ化し
てなるフィルタが設けられたことを特徴とする気相式は
んだ付け用溶剤のフィルタリング装置。(1) The saturated vapor phase forming solvent taken out from the liquid tank part of the steam tank is cooled in a solvent cooling tank, filtered while being circulated through a circulation pipe, and the filtered solvent is returned to a pipe. In the filtering device, a solvent cooling tank which is sufficiently larger than the liquid tank is connected to the tip of the extraction pipe drawn out from the lower part of the liquid tank, and the solvent is cooled. Filtering of a vapor phase soldering solvent, characterized in that a filter formed into a cartridge using activated alumina as a filter material is provided in a circulation pipe drawn out from the bottom of the tank and returned to the top of the solvent cooling tank. Device.
の溶剤を低湿にて収容してなるものであることを特徴と
する特許請求の範囲第１項記載の気相式はんだ付け用溶
剤のフィルタリング装置。(2) The solvent for vapor phase soldering according to claim 1, characterized in that the solvent cooling tank contains the same solvent as the solvent for forming a saturated vapor phase at low humidity. filtering device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26506487A JPH01107965A (en) | 1987-10-20 | 1987-10-20 | Filtering device for solvent for vapor phase soldering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26506487A JPH01107965A (en) | 1987-10-20 | 1987-10-20 | Filtering device for solvent for vapor phase soldering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01107965A true JPH01107965A (en) | 1989-04-25 |
Family
ID=17412085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26506487A Pending JPH01107965A (en) | 1987-10-20 | 1987-10-20 | Filtering device for solvent for vapor phase soldering |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01107965A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6234666A (en) * | 1985-08-06 | 1987-02-14 | Denkoo:Kk | Gaseous phase type solder reflow device |
| JPS62148086A (en) * | 1985-12-23 | 1987-07-02 | Hitachi Techno Eng Co Ltd | Vapor reflow type soldering device |
| JPS6390361A (en) * | 1986-10-03 | 1988-04-21 | Hitachi Techno Eng Co Ltd | Vapor reflow type soldering device |
| JPS63203270A (en) * | 1987-02-18 | 1988-08-23 | Hitachi Techno Eng Co Ltd | Vapor reflow type soldering equipment |
-
1987
- 1987-10-20 JP JP26506487A patent/JPH01107965A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6234666A (en) * | 1985-08-06 | 1987-02-14 | Denkoo:Kk | Gaseous phase type solder reflow device |
| JPS62148086A (en) * | 1985-12-23 | 1987-07-02 | Hitachi Techno Eng Co Ltd | Vapor reflow type soldering device |
| JPS6390361A (en) * | 1986-10-03 | 1988-04-21 | Hitachi Techno Eng Co Ltd | Vapor reflow type soldering device |
| JPS63203270A (en) * | 1987-02-18 | 1988-08-23 | Hitachi Techno Eng Co Ltd | Vapor reflow type soldering equipment |
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