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JPH08294638A |
PURPOSE: To keep the inflow wind velocity of an opening at a proper value even when the opening degree of a front face door is changed variously. CONSTITUTION: An wind velocity sensor 12 is set on the inner side face of a treatment chamb...
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JP2549910B2 |
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JPH08281127A |
PURPOSE: To provide a sealed type chamber to be employed for physical and/or chemical treatment and in which continuous treatment, e.g. discharge treatment and dry etching, can be carried out for an object for treatment by installing an ...
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JP2544583B2 |
PURPOSE: To control a fume hood accurately by employing flow coefficient in order to compensate for resistance to air flow through a grill means overlying a bypass opening. CONSTITUTION: A fume hood face velocity controller 20 using vari...
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JP2542760B2 |
PURPOSE: To completely isolate only a portion to be assembled or inspected from the outside so as to assemble or inspect such a large article which cannot be put in a dustproofing house by making the protrusion of the article to be assem...
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JPH08219511A |
To prevent dirt not only from entering a room but also to remove toxic substances therefrom by creating a pressurized blockade region under pressure higher than that outside the room just behind the entrance thereof. Air, to be passed th...
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JPH08222182A |
PURPOSE: To provide a mass spectrograph capable of invariably conducting the residual gas partial pressure analysis with a single structure via a simple action at the time of a high evacuation before and after vacuum processing and at th...
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JPH08506884A |
A fume cupboard (1) the exhaust system of which includes a two-stage vortex amplifier (5, 6) the control ports (9) of which are closed successively as the fume cupboard door (2) is raised thereby to alter the flow characteristics of the ...
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JP2505034B2 |
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JPH08141415A |
PURPOSE: To prevent a user from forgetting shutting a main valve of a gas burner 15. CONSTITUTION: A draft chamber is provided with a cabinet main body 1 having an opened front side and formed with a working space 2 inside, a high effici...
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JPH0810369Y2 |
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JPH0821529B2 |
The present invention relates to a method for isolation from exterior pollution of a space comprising - or on which there can be adapted - a tube (2), one end of which opens into said space and the other end of which is open (5), charact...
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JPH0824673A |
PURPOSE: To conduct experiments safely and smoothly by installing a drive means for driving the rotation of a detection means for detecting the presence of a person, a switch means with a timer, and a sprocket and a lower limit switch me...
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JPH0810628A |
PURPOSE: To adapt a hot plate to high purity microanalysis in heating evaporation treatment by constituting the hot plate by arranging a heating device in a box-shaped housing made of transparent quartz and arranging a temp. controller a...
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JPH08500095A |
The present invention is directed to a synthesis reaction column which can be conveniently implemented in post synthesis procedures. The reaction column is configured to allow easy connection to a syringe and post synthesis reagent conta...
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JPH0756403Y2 |
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JPH0754776Y2 |
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JPH0753707Y2 |
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JPH07323236A |
PURPOSE: To facilitate the opening and closing operations by reducing the housing space of an opening/closing door of a draft chamber, refrigeration show case, etc., while maintaining the partition effect of the inside and outside of a c...
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JPH07275717A |
PURPOSE: To maintain the performance of an air curtain irrespective of opening/ closing conditions of a door to normally and surely block an opening. CONSTITUTION: A circulating blower 10 for introducing outdoor air is installed in the r...
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JPH07260222A |
PURPOSE: To obtain stabilized air speed in the surface of an opening in spite of the opening area of an opening window for working, and balance the supplying air with discharging air in a room while preventing the discharge of excessive ...
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JPH07260210A |
PURPOSE: To provide a thermal chamber, capable of realizing agitation of atmosphere sent out of a cooling device simply and inexpensively whereby capable of unifying the temperature distribution in a testing chamber with a high accuracy....
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JPH0781937B2 |
A transfer vessel apparatus has a device for introducing gas from a liquid nitrogen trap into a vessel body to form and maintain an inert atmosphere in the vessel body. The inert atmosphere maintained in the vessel body enables a sample ...
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JPH0735392Y2 |
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JPH07204524A |
PURPOSE: To reduce the number of control valves by devising the constitution of a dilute gas producing means regarding improvement of an environment inspecting device and stably and highly accurately control a gas concn. covering a wide ...
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JPH0732848Y2 |
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JPH07190431A |
PURPOSE: To provide an apparatus which gives an alarm or adjusts the opening height of a front door when exhaust gas is not appropriately discharged by measuring the opening height of the front door of a local exhaust chamber and the win...
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JPH07506294A |
An environmental chamber comprising a transparent dome shaped housing having an annular conduit, including an exhaust port, affixed to the base of the housing. The housing securely fits over an end of a chemical container, to create a co...
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JPH07155620A |
PURPOSE: To sharply change the temp. of a plate to desired temp. by providing a plurality of thermostatic tanks controlling the temp. of a heating medium, a circulator circulating the heating medium and a valve changing over the connecti...
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JPH0732438U |
[Purpose] The purpose is to reduce the burden on the exhaust equipment due to the increase or relocation of the exhaust booth, facilitate the cleaning of the inside of the duct, and make it possible to install the exhaust equipment in an...
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JPH0756376B2 |
A fume hood having a step baffle system that improves uniformity of flow under different operating conditions, increases draw along the work surface, and, in general, enhances hood performance. An intermediate baffle plate of the baffle ...
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JPH0756443B2 |
An environment controllable scanning probe microscope (SPM), such as a scanning tunneling microscope (STM), atomic force microscope (AFM), etc., in which the gaseous environment of the sample during the observation is controllable. That ...
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JPH0725937U |
[Purpose] Provided is an air curtain type fume hood that can easily and quickly perform inspection and maintenance work of lighting equipment that illuminates a processing room formed in a main body. [Constitution] The luminaire 5 is arr...
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JPH0721124U |
[Purpose] A sufficient opening height of the draft chamber is secured, and the opening and closing of the transparent door is automatically performed to improve usability. [Constitution] Draft chamber 3 provided at the middle position M ...
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JPH0732880B2 |
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JPH0799224A |
PURPOSE: To prevent cross contamination and the like between processing chambers by avoiding the mixing of gas and minute dust flowing out of the processing chamber, wherein the processing is finished, into the next or previous processin...
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JPH0711790Y2 |
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JPH0763387A |
PURPOSE: To eliminate contact of the air to be input from an exterior into an operating space with a specimen placed on an operating base. CONSTITUTION: A safety cabinet has a cabinet body 1 having an openable door 3 on a front surface t...
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JPH0758051A |
PURPOSE: To obtain a semiconductor deposition/oxidation method for processing a large quantity of semiconductor wafer using a single-furnace cycle. CONSTITUTION: After the temperature and a mixture gas in a furnace are stabilized, a dopa...
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JPH0755008A |
PURPOSE: To prevent the contamination due to hydrocarbon introduced from an airtight maintaining part, and to stably maintain a high airtightness for a long period of time, in a method for maintaining the airtightness of a high purity sp...
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JPH0739768A |
PURPOSE: To seal a space between a chamber and an object of work simply and surely even when the object has a complex shape. CONSTITUTION: An object 1 of work placed underwater 2 is partly covered with a local chamber main body 5 so that...
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JPH074538B2 |
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JPH078811A |
PURPOSE: To provide the sterilizing device capable of smoothly sterilizing the inside of a safety cabinet outside a working space after working. CONSTITUTION: Air is forcibly fed by a fan 11 to a high-performance filter 9 for an air feed...
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JPH06273312A |
PURPOSE: To provide a migration test equipment in which an accurate test evaluation can be made while eliminating useless labor. CONSTITUTION: The migration test equipment comprises first and second standard air generators 1, 2, a test t...
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JPH0637184Y2 |
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JPH06265464A |
PURPOSE: To make pressure and steam pressure in a test tank controllable simply and accurately by interconnecting a saturated water tank, forcing air into saturated steam pressure by way of making water and inflow air at the preset tempe...
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JPH06254415A |
PURPOSE: To provide a vapor generation device which is capable of performing humidity adjustment correctly within a low humidity range. CONSTITUTION: Air to be fed out of an air pump 9 is conducted into the interior of a water tank 6, an...
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JPH06254416A |
PURPOSE: To provide a device for generating vapor at high humidity. CONSTITUTION: Water 9 in a boiler 4 is boiled by a heater 3. The vapor generated flow through the inner pipe 13 of a cooling pipe 6. Cooling oil 7 whose temperature is c...
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JPH0634497Y2 |
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JPH0668189B2 |
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