Electrostatic levitation furnance

Industrial electric heating furnaces – Plural diverse heating means – Arc

Reexamination Certificate

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C373S010000, C361S144000

Reexamination Certificate

active

07061964

ABSTRACT:
An electrostatic levitation furnace is improved by providing three pairs of electrodes opposed to each other respectively on three axes perpendicularly intercepting each other at a position where the sample is to be levitated in the vacuum chamber, and disposing a plurality of access ports, which are directed to the position of the sample, to the vacuum chamber tree-dimensionally, whereby the accessible direction against the sample is diversified, it becomes possible to improve the degree of freedom in distribution of various apparatuses and easily cope with increase of apparatuses.

REFERENCES:
patent: 3965753 (1976-06-01), Browning, Jr.
patent: 4896849 (1990-01-01), Moynihan
patent: 5015906 (1991-05-01), Cho et al.
patent: 5155651 (1992-10-01), Yoda et al.
patent: 1434021 (2004-06-01), None

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