Espec Corporation

Murata Manufacturing Co., Ltd.

Tetsuya Shimada

Katsuhiko Watabe

Kazuhiro Nakamura

Osamu Matsuguma

Hirokazu Tanaka

Shinichirou Sakami

Kouki Sakane

Shuichi Kanazawa

Akira Okamoto

Yoshinori Mizuma

Seiichi Okada

An apparatus for environmental tests includes a chamber having formed therein a test space for disposing a sample, and a tray that is provided on the upper surface of the chamber and has an open upper surface. A front wall of the tray is configured by an operation unit where switches are provided. A rear wall of the tray is configured by a control unit housing a control substrate. A left wall and a right wall of the tray are configured by hollow bodies connecting the operation unit and the control unit. The tray is covered with a lid.

Apparatus for environmental test

A dew formation testing device has an adjustment tank capable of adjusting the temperature and humidity of air to predetermined temperature and humidity, a testing tank installed separately from the adjustment tank and having a sample base that has a mounting surface, onto which a testing sample W can be placed, and that is capable to cool the mounting surface, and ducts that link the adjustment unit and the testing tank. The testing tank is provided with an air guide member that, when air flowing into the testing tank through the duct flows onto the sample base from a side of the sample base, guides the air in the direction tilted downward at a predetermined angle, the guidance being performed at a position right above the sample base at an end thereof which is on the upstream side of the air flow.

Dew formation testing device and dew formation testing method

An object of the present invention is to provide an environment testing apparatus capable of achieving, on the surface of a test object, a stable condensation status with less variation in the condensation amount than that of already existing-art. The environment testing apparatusincludes a regulator. On the basis of a signal from a condensation amount sensor, the regulatorcontrols the temperature of a cooling/heating platebetween a deviation-added value of the wet bulb temperature obtained from the wet bulb, and a deviation-added value of the dew-point temperature inside the test chamber

Environment testing apparatus capable of controlling condensation amount, and control method therefor

The cooling apparatus comprises an air supply system, a water supply system, and a sprayer, and has a structure such that water and compressed air are mixed and the air is sprayed together with the water converted into mist onto the upper surface of a device attached to a socket of a burn-in board. The heat generated by the device is removed via the mist and air that falls on the upper surface. When a burn-in test is conducted the cooling apparatus adjusts the water and air supply so that the device is cooled to the target temperature.

Cooling apparatus

The burn-in apparatus includes a water supply system and a sprayer and has a structure such that water is converted into mist and sprayed onto the upper surface of a device attached to a socket of a burn-in board. The amount of heat generated by the device that generates high heat is removed by the amount of heat that includes a large latent heat from when the mist falls on the upper surface and is evaporated. Burn-in of the device is conducted while it is being cooled to the target temperature.

Burn-in apparatus

A cooling apparatus configured such that a cooling body provided with heat-dissipating plates is pressed against a device to which a socket of a burn-in board is attached, and air is provided by a blower such that the air passes between the heat-dissipating plates, and compressed air provided from a compressed air supply system is discharged by a nozzle so that it directly hits a portion of the cooling upper surface of the cooling body. By means of the cooling effects from these two types of air, a device generating a large amount of heat can be cooled with good temperature accuracy.

Growing community of inventors

Osaka, Japan

Tetsuya Shimada