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19 (05.4.1)
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Developing temperature control technology:
Utilizing a mist-cooling system
for devices that generate high temperature
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Abstract
Semiconductor devices are given uniform temperature burn-in testing at the
final inspection of the manufacturing process. It is becoming increasingly
difficult to control the uniform temperature because of the high heat generation
of the device itself due to advanced functions and high performance. We have
undertaken to provide a mist cooling system to fulfill the requirements of
the burn-in testing. By taking advantage of the latent heat of water, the mist
cooling system is able to instantaneously dissipate a large amount of heat. |
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19 (05.4.1)
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Measuring temperature, humidity, and vibration in microenvironments |
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Abstract
For this report we have continuously measured changes in temperature and humidity
both in a semi-enclosed site and in a vehicle interior, and we have continuously
measured vibration during transportation by truck in Utsunomiya and Kobe in
Japan. The results of this study indicate that temperature and humidity fluctuations
inside the vehicle are much greater than fluctuations in the semi-enclosed
site, and that temperature and humidity fluctuations are especially great during
the summer. These experiments have also revealed that the truck transportation
environment transmitted continuous vibration to the cargo at a vibration acceleration
of
±1 G (9.8 m/s2). |
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16 (03.10.1)
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Direct-cooling recovery equipment developed for low-boiling-point refrigerants |
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Abstract
To concur with the introduction of the Fluorocarbon Recovery and Destruction Law in Japan in April
2002, Espec has developed direct-cooling recovery equipment to handle low-boiling-point
refrigerants. This report introduces the new recovery equipment.
At Espec, working units of this recovery equipment are already in operation at each of our domestic
service locations.
This report has previously been published in "The International Symposium on HCFC Alternative
Refrigerants and Environmental Technology 2002" by the Japan Refrigeration and Air Conditioning
Industry Association. |
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13 (02.3.15)
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The ideal state of reliability control within corporations -Response to ISO 9000S:2000 and uncertainty- |
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Abstract
The International System of Units (SI) has been adopted for international commercial
transactions under the GATT/ TBT agreement. The system of weights and measures
has been completely in effect since January 2000, resulting in brisk international
transactions. As a result, data reliability using these common terms has become very
important, and international recognition has been forthcoming. Furthermore, ISO
9001:2000 was enacted in December 2000,
Also, ISO/IEC 17025, " General
requirements for the competence of testing and calibration laboratories " was enacted in
January 2000, strengthening the requirements for establishing traceability systems
In the future, corporations will find it increasingly important to establish in-house
traceability systems and to have a reliability specialist capable of handling reliability
maintenance for measuring and traceability. This article will discuss these issues. |
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