WO2004085942A1 - 大型基板用多段式加熱装置 - Google Patents
大型基板用多段式加熱装置 Download PDFInfo
- Publication number
- WO2004085942A1 WO2004085942A1 PCT/JP2004/000512 JP2004000512W WO2004085942A1 WO 2004085942 A1 WO2004085942 A1 WO 2004085942A1 JP 2004000512 W JP2004000512 W JP 2004000512W WO 2004085942 A1 WO2004085942 A1 WO 2004085942A1
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- WIPO (PCT)
- Prior art keywords
- drying
- double
- heating
- panel
- plate
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
- F26B9/066—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers the products to be dried being disposed on one or more containers, which may have at least partly gas-previous walls, e.g. trays or shelves in a stack
Definitions
- the present invention relates to a multi-stage heating apparatus for large substrates used for heating and drying large substrates such as a liquid crystal display panel (LCD) and a plasma display panel (PDP), and particularly, maintains high drying quality of large substrates.
- the present invention also relates to a multi-stage heating apparatus for large-sized substrates that has simplified the structure and reduced production costs, operating costs, and other costs.
- a heating and drying process is indispensable.
- a multi-stage heating apparatus may be used.
- this multi-stage heating apparatus a plurality of large substrates to be dried are arranged in multiple stages in the vertical direction, and in accordance with this, a plurality of shelf heaters are arranged in multiple stages to heat the large substrates in each stage.
- the drying process is carried out simultaneously by heating the shelf at each stage, and the exhaust system for generated steam and solvent vapor is shared. Since such a multi-stage heating device can greatly reduce the installation area, it is suitable for simultaneously heating and drying a large number of large substrates.
- the shelf heaters arranged in each stage emit far-infrared rays from both sides.
- the heating elements buried in each shelf are divided into a plurality of zones in the depth direction of the device, and the heating temperature of the heating elements in each zone can be set arbitrarily. As a result, the surface heating temperature of the large substrate to be heated is made uniform.
- side heaters for auxiliary heating consisting of far-infrared panel heaters are installed so as to face the inside of the furnace. Not only is the upper and lower surfaces heated by one day, but the periphery is also heated by the first side, so that the entire large substrate can be heated and the accuracy of the surface heating temperature is further improved. It is devised.
- a gas passage is formed inside each stage of the shelf, and the air flowing through the gas passage is opened on the lower surface of the shelf.
- the air is blown out from the holes and is collected in the furnace body surrounding the drying chamber by the downhole method, with the steam and solvent vapor etc. in the drying chamber, and from there through the exhaust holes provided in the side wall of the furnace body to the outside.
- the furnace is evacuated and the furnace atmosphere is maintained at a high level of cleanliness.
- the multi-stage heating furnace for large substrates has various ideas in terms of reduction of installation space, uniformization of surface heating temperature of large substrates, improvement of accuracy, and maintenance of cleanness of the atmosphere in the furnace. Although it is possible to improve the drying quality of large substrates, the structure is complicated and the production cost and operating costs increase due to the adoption of a down-pro system in the exhaust system. ing. DISCLOSURE OF THE INVENTION-The invention of the present application solves the above-mentioned problems of the conventional multi-stage heating apparatus for large substrates, while maintaining high drying quality of large substrates, having a simple structure, a low production cost, It is an object of the present invention to provide a multi-stage heating apparatus for large substrates that can reduce operating costs and other costs.
- a problem is a large-sized multi-stage heating apparatus used for arranging and drying a plurality of large-sized rectangular substrates to be dried in a multi-stage manner.
- the upper and lower panel heaters are arranged in multiple stages at predetermined intervals in the vertical direction, and the space between adjacent upper and lower panel heaters is a drying chamber for heating and drying the large-sized substrate, and is formed in multiple stages in the vertical direction.
- the multi-stage heating apparatus for a large substrate is provided with air flow path forming means for forming a curtain by an ascending hot air flow by connecting the periphery of the plurality of drying chambers. .
- the air flow path forming means connects the surroundings of a plurality of drying chambers formed in multiple stages in the vertical direction to form an air curtain by a rising hot air flow, and drying of each stage is performed. Water vapor and solvent vapor in the room are sucked and exhausted by the air curtain, and cool air outside the drying room is prevented from entering the drying room by the air curtain. A high-temperature atmosphere can be maintained, and uneven drying of large substrates can be prevented, and high drying quality of large substrates can be obtained.
- the air flow path forming means is attached around four circumferences of each peripheral wall of the plurality of panel heaters, and two elongated plates are arranged in a horizontal direction.
- the air curtain consists of a double-walled structure that is assembled by being arranged in parallel at predetermined intervals. It is formed by flowing into the inside of the structure.
- the inner plate of the double-walled structure is blackened on both inner and outer surfaces, and the outer plate of the double-walled structure is The inner surface is processed black.
- the heat retention effect of the inner and outer plates of the double-walled structure due to the black color processing keeps the airflow flowing through the flow path between them better and promotes the flow of the smooth rising hot airflow, It is possible to prevent solidification of steam, solvent vapor and the like.
- the substrates in each drying chamber can maintain a stable temperature distribution without being affected by outside air.
- FIG. 1 is an overall schematic perspective view of a furnace wall of a multistage heating apparatus for large substrates according to an embodiment of the present invention, as seen through.
- FIG. 2 is a cross-sectional view of a drying chamber portion of the multi-stage heating apparatus for large substrates.
- FIG. 3 is a cross-sectional view taken along the line II-II of FIG.
- FIG. 4 is a partially enlarged view of FIG.
- FIG. 5 is a partially enlarged view of FIG. 1 and is a view for explaining the flow of airflow.
- Fig. 6 is a plan view of the panel heater used in the multi-stage heating device for the large substrate.
- Fig. 7 is a side view of the panel.
- FIG. 8 is an enlarged view of a portion where the temperature sensor 1 of FIG. 6 is embedded.
- FIG. 9 is a side view of FIG.
- FIG. 10 is a plan view of a sub-plate placed on the panel panel all over, showing a state where the sub-plate is pulled out of the drying chamber.
- FIG. 11 is a plan view of a positioning mechanism on one side of the sub-plate.
- FIG. 12 is a cross-sectional view of a positioning mechanism on the other side of the sub-plate, and is a cross-sectional view taken along line XII-XII of FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 12 is a cross-sectional view of a positioning mechanism on the other side of the sub-plate, and is a cross-sectional view taken along line XII-XII of FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- the multi-stage heating device for large substrates in the present embodiment is mainly used for heating and drying large substrates such as a liquid crystal display panel (LCD) and a plasma display panel (PDP).
- the large substrate is usually heated to remove water after cleaning the substrate or to remove a solvent or the like contained in a chemical component applied to the substrate. It is essential to perform a drying treatment.
- the multi-stage heating device arranges multiple such large substrates in multiple stages and heats and dries at the same time, so it is suitable for quickly heating and drying many large substrates while saving installation space. I have. Next, the structure of the multi-stage heating device for a large substrate in the present embodiment will be described. As shown in FIG.
- a multi-stage heating apparatus 1 for a large substrate includes a plurality of (n) rectangular plates in plan view on a gantry 3 at a furnace bottom surrounded by a furnace wall 2.
- 4-1, 4-12 ⁇ ⁇ ⁇ 4-n are supported at each of the four corners by columns 5, and are arranged in multiple stages at predetermined intervals in the vertical direction. Then, between the upper and lower panel heaters adjacent to each other, that is, between panel heater 4-1 and panel heater 4-2, and between panel heater 4-2 and panel heater 4-1-3.
- Each space between the heater 4-(n-1) and the panel 4-1 n is a drying chamber 7-1, 7-2-for heating and drying the substrate 6 to be dried.
- the substrate 6 has a rectangular shape in a plan view, a large side of 1.0 to 2.0 m on a side, and a thickness of about l mm to several mm.
- the column 5 may be a single rod penetrating through each step, but in the present embodiment, divided columns divided for each step are used, and these divided columns are stacked. As a result, the pillar 5 is formed. These divided columns are located between the gantry 3 and the lowermost panel panel 4-1; between adjacent upper and lower panel panels 4-1; the uppermost panel heater 41 ⁇ ; In these four corners, they are vertically spaced from each other at these four corners, and are three-dimensionally assembled. The lower end of the column 5 arranged at any one of the four corners is buried in a base 3 made of steel or the like (see the part ⁇ in Fig. 1) and fixed, while supporting the remaining three corners. The supporting strut 5 is horizontally movable around the fixed strut, so that the thermal expansion and contraction of the panel heater is 41 m.
- the panel heater 41m is constructed by sandwiching and embedding the heating element 11 between the upper and lower two plates made of aluminum material. As shown by the thick arrows in Fig. 4, radiant heat is radiated from both the upper and lower surfaces, and the lower and upper drying chambers 7- (m- 1) Simultaneously heat the substrate 6 set to 7-m. However, a sub-plate 8-m described later is placed on the upper surface of the panel heater 41m, and in fact, radiant heat is radiated through this sub-plate 8-m, and the drying chamber on the upper side Heat substrate 6 set at 7-m. However, this sub-plate 8-m is not essential in the present embodiment.
- the heating element 11 is a resistance heating element, has a uniform heat generation per unit length, and is buried along the periphery near the periphery of 41 m per hour.
- the form of the heating element 11 is not limited to the resistance heating element, and a heating medium of gas or liquid may be used.
- Substrate 6 is not placed directly on panel panel 4-1, 1, 4-2, --4- (n-1), but is shown in Figs. 1, 2 and 4.
- sub-plates 8-1, 8-2,-, 8- (n-1) made of aluminum with good thermal conductivity are placed on these panels.
- the drying room 7 is separated from the upper surface of each panel plate 41-m and the upper surface of each sub-plate 8-m by a predetermined length.
- — 1, 7-2 ⁇ --7- (n-1) is set at approximately the center of the vertical direction.
- the sub-plate 8-m placed on it receives the heat of the panel 41-m by heat conduction and radiates it.
- the upper panel heater 4— (m + 1) From the upper panel heater 4— (m + 1), the radiant heat radiated by itself Both sides are heated simultaneously.
- the space below the bottom panel heater 4-1 is not actually used as a drying room, and the stainless steel plate 12 is laid on the surface of the gantry 3, and the bottom panel heater 4-11
- the radiant heat radiated from the lower surface of 1 is reflected, and the space here is set to the same high temperature environment as the drying room 7-m.
- the temperature gradient between 7m (Km ⁇ (n-1)) is not generated.
- the space above the top panel heater 4-n is not actually used as a drying room, and a ceiling plate 13 with a stainless steel plate attached to it is stretched out. It reflects the radiant heat radiated from the sub-plate 8-n placed on the panel heater 4n, and makes the space here a high-temperature environment similar to that of the drying room 7-m.
- the set in the drying chamber 7-1, 7-2, -7- (n-1) of the substrate 6 is not only supported by a plurality of support bins 9 in each of a plurality of appropriate places, but also by As shown in FIGS. 4 and 10, each of the four corners is positioned by two positioning pins 10 arranged so as to sandwich two orthogonal sides thereof.
- the setting of the counter 6 is automatically performed by a robot (not shown).
- the positioning pins 10 are implanted in the movable piece 22 so that the positions thereof can be adjusted according to the size of the substrate 6.
- the movable piece 22 can change the screwing position on the upper surface of the substrate 8-m within a predetermined range.
- the sub-plate 8-m has a rectangular shape in a plan view substantially similar to the panel heater 41 m, and is slightly narrower than the panel heater 41 m. Then, the sub-plate 8-m can be conveniently placed on the top of the 4-m panel panel or removed from it for maintenance.
- the side edge of the maintenance work side, which is the front side in the direction, and the sub plate A pair of handles 14 are attached to the side edge of the side opposite to the maintenance work side, which is on the front side in the 8-m direction.
- FIG. 10 shows a state in which the sub-plate 8-m is taken out from above the panel pan 4-m.
- the sub-plate 8-m On the maintenance side, the sub-plate 8-m is positioned so that it is positioned at a predetermined position when it is placed on the upper surface of the panel heater 41m.
- positioning members 15 and 16 are fixed to the left and right corners of the sub-plate 8m, respectively, and are engaged with these positioning members 15 and 16 respectively.
- the positioning members 17 and 18 are fixed to the corresponding parts of the panel heater 4-m (near the left and right corners of the panel heater 41m on the front side of the sub-plate 8-m in and out direction). I have.
- the positioning member 15 has a rounded upper left end in FIG. 11 and is fitted into the V-shaped groove at the lower end in FIG. 11 of the positioning member 17 (concavo-convex fitting). Both positioning members 15 and 17 are engaged.
- the positioning member 16 has a rounded upper right end in FIG. 11 and abuts against the lower flat surface of the positioning member 18 in FIG. , 18 comrades engage. Then, in this engaged state, the corner portions of the positioning members 15 and 16 are screwed to the panel panel 4-m by the lock pins 19, respectively, and the sub-plate 8-m is connected to the panel panel 1-1 Fixed at 4—m. In this way, the displacement and rotation of the sub-plate 8-m on the horizontal plane are prevented.
- a pair of right and left holding plates 20 and a central portion are provided on the opposite side of the sub-plate 8-m from the maintenance work side, as shown in FIGS. 2 and 12, along the side edge of the sub-plate 8-m.
- the holding plate 21 is fixed to the upper surface of the 4-meter panel each time.
- These holding plates (holding members) 20 and 21 receive the side edges of the sub-plate 8 — m in the inward recess between them and the panel plate 4 — — Prevents this side edge of m from warping or denting due to heat and causing thermal deformation.
- the outer part of the furnace wall 2 of the multi-stage heating device 1 An air intake 27 is formed, and an exhaust 28 is formed in the ceiling. Therefore, the outside air taken in from the outside air intake 27 is the lower auxiliary drying room 7 L, the drying rooms 7-1, 7-2, 7- (n-1), and the upper auxiliary drying room 7U. It is heated by the heat of the internal hot air and the structure surrounding each of these chambers, resulting in a rising hot air flow (see arrows B in Figs. 4 and 5). Then, heat is properly removed from each of these chambers and structures, and various gases (water vapor, solvent vapor, etc.) and particles generated inside the device are sucked into the device and taken in. Leaked from 8. This rising hot air flow is due to natural convection caused by the outside air being heated exclusively inside the device, so the pump power consumption is small.
- a double wall structure 24 for forming a rising hot airflow having a substantially similar structure is fixed to the peripheral wall of the ceiling plate 13 around the four circumferences thereof by a fixing tool such as a bolt.
- the double-walled structure 24 may be slightly shorter in width (height) than the double-walled structure 23-1, 23-2 ⁇ ⁇ -23-n.
- Each of these double-walled structures 23-1, 23-2, 23-n, 24 has an inwardly folded inner fold, as better illustrated in FIGS.
- the inner bent plate 25 and the outer bent plate 26 have a space S in the horizontal direction between the inner bent plate 25 and the outer bent plate 26 as an element. It is configured by being separated, arranged in parallel, and assembled.
- the upper end extends to the vertical center of each of the openings of the drying chambers 7-1, 7-2, 7- (n-1) and the upper auxiliary drying chamber 7U. .
- the inner bent plate 25 is made of aluminum material, its inner and outer surfaces are processed to be black, and the upper part thereof is bent inward.
- the outer bent plate 26 is made of stainless steel, the inner surface thereof is processed to be black, the upper portion is bent inward, and the lower portion is located below the inner bent plate 25.
- the inner bent plate 25 has a shape that is bent outward so as to be away from the portion, and that extends slightly below the lower portion of the inner bent plate 25.
- the black processing on the inner and outer surfaces of the inner bent plate 25, and the black processing on the inner surface of the outer bent plate 26 Ron is kneaded with a black paint to coat these surfaces.
- the upper auxiliary drying room 7 L, the drying room 7-1, 7-2- ⁇ -7-(n-1), and the upper auxiliary drying room 7 U Therefore, when these double-walled structures 23-m and 24 are arranged one above the other at predetermined intervals, most of the rising hot air flow inside the device It flows through the internal flow path of 2 3—m and 24 (see arrow C in FIGS. 4 and 5).
- the hot air flow that rises in the lower double-walled structure 23-m is once directed at the outlet at a slightly inward direction toward the upper part of the peripheral opening of the drying chamber 7-m. Is pushed back by the hot airflow in the drying chamber 7_m, and is pulled by the hot airflow rising in the upper double-walled structure 2 3— (m + 1), and the upper double-walled structure 2 It is sucked into 3— (m + 1).
- the multiple drying chambers 7-1, 7-2, 7- (n-1) and the upper auxiliary drying chamber 7U which are formed in multiple stages in the vertical direction, are connected to each other.
- an air curtain is formed.
- the water vapor, solvent vapor, etc., which fills each drying chamber 7_m are sucked by this rising hot air flow (see arrow D in FIGS. 4 and 5), are taken in, and are exhausted from the exhaust port 28.
- the heat retention effect of the black processing of each surface of the inner and outer bent plates 25 and 26 allows the airflow flowing through the flow path between them to be better kept warm, and flows into each drying chamber 7-m. Since the incoming airflow is also kept warm, the substrate 6 in each drying chamber 7-m can maintain a stable temperature distribution without being affected by the outside air.
- the above hot air flow Is an air curtain caused by an ascending airflow, and is formed so as to surround the panel heaters 4 m arranged in multiple stages, so that the temperature of each drying chamber 1 m is further stabilized.
- each side of the inner and outer bent plates 25, 26 Due to the heat retention effect of the black processing, the airflow flowing through the flow path between them is better kept warm, so that solidification of water vapor, solvent vapor and the like can be prevented.
- the action of Teflon contained in the black processing applied to the inner and outer bent plates 25 and 26 prevents the adhesion of water vapor, solvent vapor, and various particles to these plate surfaces. Then, corrosion of both plates is prevented. As a result, a smooth flow of the rising hot air flow can be formed.
- each of the double wall structures 23-1 and 23-n for ascending hot air flow formation has a door of the multi-stage heating device 1 as shown in Fig. 1.
- thermo switch 31 for preventing an excessive rise in temperature of the panel heater 41-41 m is buried near the temperature sensor 30.
- each drying room 7-m, the upper auxiliary drying room 7 U form an air force surrounding the U, and it is exhausted from the exhaust port 28 together with other rising hot air flow.
- the multi-stage heating device for a large-sized substrate of the present embodiment is configured as described above, so that the following effects can be obtained.
- Double-walled structures 23—1, 23-2 ⁇ 23- n (means for forming air flow passages) to form a plurality of drying chambers 7–1, 7-2 ⁇ ⁇ -7-
- the air is sucked and exhausted by the air chamber, and the cool air outside the drying chamber 7-m is prevented from entering the drying chamber 7-m by the air chamber.
- High cleanliness and a high-temperature atmosphere can be maintained in the m, preventing uneven drying of large substrates, and high drying quality of large substrates can be obtained.
- the simple structure that only guides it with the double-walled structure 23—m (m l, 2 — Suction of water vapor, solvent vapor, etc. in the m ⁇ ⁇ Exhaust, Drying room 7— Water in the drying room 7—m can be prevented because cold air outside the drying room 7—m can be prevented from entering the drying room 7—m.
- the inner bent plate 25 of the double-walled structure 23-m has an upper portion bent inward, and the outer bent plate 26 has The upper part is bent inward, and the lower part is bent outward so as to be away from the lower part of the inner bent plate 25, and is lower than the lower part of the inner bent plate 25. Since it has a shape that extends slightly downward, the lower part of the double-walled structure 23-m opens downward in a divergent shape to allow a wide air flow, and the middle part is a straight line that points upward.
- this air flow is directed slightly inward and flows out toward the upper part of each peripheral opening of each drying chamber 7-m. Charged to That steam, while being pushed back by the solvent vapor and the like, these internal uptake by suction, it is possible to continue to flow into the higher second upper-wall structure 2 3 _ (m + 1) within. This ensures that the air curtain is formed reliably and stably, and that the air curtain (ascending hot air flow) causes the water vapor in the drying chamber 7 m of each stage. Suction of solvent vapor, etc., exhaust air, and the prevention of intrusion of cold air outside the drying chamber 7-m into the drying chamber 7-m can be surely performed.
- the inner bent plate 25 of the double-walled structure 23-m has its inner and outer surfaces processed in black, and the outer bent plate 26 has its inner surface processed in black. Due to the thermal effect, the airflow flowing through the flow path between them can be better kept warm, the flow of the smooth rising hot airflow can be promoted, and the solidification of the sucked water vapor, solvent vapor and the like can be prevented. In addition, since the airflow flowing into each drying chamber 7-m is also kept warm, the substrate 6 in each drying chamber 7-m can maintain a stable temperature distribution without being affected by outside air. .
- Teflon contained in the black processing applied to the inner and outer bent plates 25 and 26 prevents the adhesion of water vapor, solvent vapor, and various particles to these plate surfaces. Thus, corrosion of both plates can be prevented. In addition, various effects can be obtained.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2005503975A JP3877750B2 (ja) | 2003-03-24 | 2004-01-21 | 大型基板用多段式加熱装置 |
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JP2003-079273 | 2003-03-24 | ||
JP2003079273 | 2003-03-24 |
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WO2004085942A1 true WO2004085942A1 (ja) | 2004-10-07 |
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PCT/JP2004/000512 WO2004085942A1 (ja) | 2003-03-24 | 2004-01-21 | 大型基板用多段式加熱装置 |
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JP (1) | JP3877750B2 (ja) |
TW (1) | TWI312856B (ja) |
WO (1) | WO2004085942A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110440549A (zh) * | 2019-09-16 | 2019-11-12 | 东莞市德瑞精密设备有限公司 | 组合式锂电池干燥治具 |
JP7473147B2 (ja) | 2019-09-13 | 2024-04-23 | 株式会社九州日昌 | 加熱装置および加熱方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001012856A (ja) * | 1999-06-28 | 2001-01-19 | Hitachi Chemical Techno-Plant Co Ltd | 熱処理装置 |
JP2001133149A (ja) * | 1999-11-10 | 2001-05-18 | Nippon Telegr & Teleph Corp <Ntt> | 乾燥装置 |
JP2001317872A (ja) * | 2000-05-02 | 2001-11-16 | Noritake Co Ltd | 大型基板用多段加熱炉、及び両面加熱式遠赤外線パネルヒーター、並びに該加熱炉内の給排気方法 |
-
2004
- 2004-01-20 TW TW93101512A patent/TWI312856B/zh not_active IP Right Cessation
- 2004-01-21 JP JP2005503975A patent/JP3877750B2/ja not_active Expired - Fee Related
- 2004-01-21 WO PCT/JP2004/000512 patent/WO2004085942A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001012856A (ja) * | 1999-06-28 | 2001-01-19 | Hitachi Chemical Techno-Plant Co Ltd | 熱処理装置 |
JP2001133149A (ja) * | 1999-11-10 | 2001-05-18 | Nippon Telegr & Teleph Corp <Ntt> | 乾燥装置 |
JP2001317872A (ja) * | 2000-05-02 | 2001-11-16 | Noritake Co Ltd | 大型基板用多段加熱炉、及び両面加熱式遠赤外線パネルヒーター、並びに該加熱炉内の給排気方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7473147B2 (ja) | 2019-09-13 | 2024-04-23 | 株式会社九州日昌 | 加熱装置および加熱方法 |
CN110440549A (zh) * | 2019-09-16 | 2019-11-12 | 东莞市德瑞精密设备有限公司 | 组合式锂电池干燥治具 |
Also Published As
Publication number | Publication date |
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JPWO2004085942A1 (ja) | 2006-06-29 |
JP3877750B2 (ja) | 2007-02-07 |
TWI312856B (en) | 2009-08-01 |
TW200421488A (en) | 2004-10-16 |
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