US3724536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating and cooling device
Assignee: Arris Technology Inc
•
Filing: 1970-08-14
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Granted: 1973-04-03
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Expires: 1990-08-14
Abstract
Abstract An apparatus is provided which applies heat and cold to a device such as a semiconductor under test. A supporting structure is movable toward and away from the device under test and carries a housing which encloses a heat conductive member having a part which is engageable with the tested device. The housing also carries a heating means and a cooling means, both in heat transfer relation with said heat conductive member. One or the other of the heating and cooling means is rendered operative at a given time. Temperature sensing means monitors the temperature of the conductive member and transmits an appropriate signal to control means. The control means, in response thereto, causes more or less heat, or more or less cold, as the case may be, to be applied to the device under test.
Inventors
- 👤 B Baxter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:08
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/26; G01R31/2642
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
160 words
An apparatus for selectively applying heat and cold to a device under test, comprising a housing, a structure, means for mounting said housing on said structure for movement toward and away from an operative location where the device to be tested is adapted to be placed, said housing carrying an externally disposed heat conductive element adapted to be engaged with the device under test when said housing is moved toward said operative location, heating means on said housing in operative heat-transfer relation with said conductive element to selectively and controllably heat said conductive element, cooling means on said housing in operative heat-transfer relation with said conductive element to selectively and controllably cool said conductive element, and control means operatively connected to said heating and cooling means and effective to render one or the other of them operative, whereby heat or cold, within a preselected temperature range, can be applied, by means of said conductive element to the device under test.
Claim 2
Independent Claim
160 words
An apparatus for selectively applying heat and cold to a device under test, comprising a housing, a structure, means for mounting said housing on said structure for movement toward and away from an operative location where the device to be tested is adapted to be placed, said housing carrying an externally disposed heat conductive element adapted to be engaged with the device under test when said housing is moved toward said operative location, heating means on said housing in operative heat-transfer relation with said conductive element to selectively and controllably heat said conductive element, cooling means on said housing in operative heat-transfer relation with said conductive element to selectively and controllably cool said conductive element, and control means operatively connected to said heating and cooling means and effective to render one or the other of them operative, whereby heat or cold, within a preselected temperature range, can be applied, by means of said conductive element to the device under test.
Claim 3
Dependent Claim
34 words
The apparatus of claim 1, in which said housing defines a compartment therein, and said heating means comprising a heating coil received in said compartment and in operative heat-transfer relation with said conductive element.
Claim 4
Dependent Claim
28 words
In the apparatus of claim 2, said control means is operatively connected to said heating coil and effective to selectively control the heating temperature of said conductive element.
Claim 5
Dependent Claim
44 words
The apparatus of claim 1, in which said housing defines an expansion chambEr therein, and said cooling means comprises fluid metering means in operative fluid connection with said expansion chamber and effective to regulate the amount of fluid coolant admitted to said expansion chamber.
Claim 6
Dependent Claim
30 words
The apparatus of claim 4, in which said control means is operatively connected to said fluid metering means and effective to selectively control the cooling temperature of said conductive element.
Claim 7
Dependent Claim
109 words
The apparatus of claim 1, said housing defining a compartment and expansion chamber therein, said heating means comprising a heating coil received in said compartment and in operative heat-transfer relation with said conductive element, said control means being operatively connected to said heating element and effective to selectively control the heating temperature of said conductive element, said cooling means comprising fluid metering means in operative fluid connection with said expansion chamber and effective to regulate the amount of fluid coolant admitted to said expansion chamber, and said control means being operatively connected to said fluid metering means, and effective to selectively control the cooling temperature of said conductive element.
Claim 8
Dependent Claim
48 words
The apparatus of claim 1, comprising heat sensing means in operative heat-transfer relation with said conductive element, operatively connected to said control means and effective to control the latter, whereby said control means, in response to said heat sensing means, controls the heating temperature of said conductive element.
Claim 9
Dependent Claim
49 words
The apparatus of claim 1, comprising heat sensing means in operative heat transfer relation with said conductive element, operatively connected to said control means and effective to control the latter, whereby said control means in response to said heat sensing means, controls the cooling temperature of said conductive element.
Claim 10
Dependent Claim
57 words
The apparatus of claim 1, comprising heat sensing means in operative heat transfer relation with said conductive element, operatively connected to said control means and effective to control the latter, whereby said control means in response to said heat sensing means, controls the heating temperature of said conductive element and the cooling temperature of said conductive element.
Claim 11
Dependent Claim
57 words
The apparatus of claim 3, comprising heat sensing means in operative heat transfer relation with said conductive element, operatively connected to said control means and effective to control the latter, whereby said control means in response to said heat sensing means, controls the heating temperature of said conductive element and the cooling temperature of said conductive element.
Claim 12
Dependent Claim
57 words
The apparatus of claim 5, comprising heat sensing means in operative heat transfer relation with said conductive element, operatively connected to said control means and effective to control the latter, whereby said control means in response to said heat sensing means, controls the heating temperature of said conductive element and the cooling temperature of said conductive element.
Claim 13
Dependent Claim
57 words
The apparatus of claim 6, comprising heat sensing means in operative heat transfer relation with said conductive element, operatively connected to said control means and effective to control the latter, whereby said control means in response to said heat sensing means, controls the heating temperature of said conductive element and the cooling temperature of said conductive element.
Claim 14
Dependent Claim
37 words
The apparatus of claim 4, in which said fluid coolant is a compressed gas which, upon admission to said expansion chamber, expands, thereby cooling said conductive element, and which gas thereafter is discharged from said expansion chamber.
Claim 15
Dependent Claim
37 words
The apparatus of claim 5, in which said fluid coolant is a compressed gas which, upon admission to said expansion chamber, expands, thereby cooling said conductive element, and which gas thereafter is discharged from said expansion chamber.
Claim 16
Dependent Claim
37 words
The apparatus of claim 6, in which said fluid coolant is a compressed gas which, upon admission to said expansiOn chamber, expands, thereby cooling said conductive element, and which gas thereafter is discharged from said expansion chamber.
Claim 17
Dependent Claim
37 words
The apparatus of claim 9, in which said fluid coolant is a compressed gas which, upon admission to said expansion chamber, expands, thereby cooling said conductive element, and which gas thereafter is discharged from said expansion chamber.
Claim 18
Dependent Claim
22 words
The apparatus of claim 1, which comprises means effective to regulate the engaging force of said conductive element on said test device.
Claim 19
Dependent Claim
44 words
The apparatus of claim 17, in which said regulating means comprises a counterweight movable on said structure and effective to provide a variable upward force on said conductive element, thereby to selectively control the engaging force of said conductive element on said tested device.
Claim 20
Independent Claim
252 words
An apparatus for selectively applying heat and cold to a device under test, comprising a housing having a compartment and an expansion chamber therein, said housing carrying an externally disposed heat conductive element adapted to be engaged with the device under test, a structure on which said housing is supported for movement toward and away from the device to be tested, heating means comprising a heating coil received within said compartment and in operative heat-transfer relation with said conductive element, cooling means in operative heat transfer relation with said conductive element and comprising fluid metering means which is in operative fluid connection with said expansion chamber, control means operatively connected to said heating and cooling means and effective to render one or the other of them operative, and heat sensing means in operative heat transfer relation with said conductive element, operatively connected to said control means and effective to control the latter, whereby said control means, in response to said heat sensing means, causes said heating means or said cooling means to selectively and controllably heat or cool said conductive element within a preselected range, which heat or cold is applied to said tested device by means of said conductive element, and regulating means effective to regulate the engaging force of said conductive element on said tested device comprising a counterweight movable on said structure and effective to provide a variable upward force on said conductive element, thereby to selectively control the engaging force of said conductive element on said tested device.
Claim 21
Independent Claim
252 words
An apparatus for selectively applying heat and cold to a device under test, comprising a housing having a compartment and an expansion chamber therein, said housing carrying an externally disposed heat conductive element adapted to be engaged with the device under test, a structure on which said housing is supported for movement toward and away from the device to be tested, heating means comprising a heating coil received within said compartment and in operative heat-transfer relation with said conductive element, cooling means in operative heat transfer relation with said conductive element and comprising fluid metering means which is in operative fluid connection with said expansion chamber, control means operatively connected to said heating and cooling means and effective to render one or the other of them operative, and heat sensing means in operative heat transfer relation with said conductive element, operatively connected to said control means and effective to control the latter, whereby said control means, in response to said heat sensing means, causes said heating means or said cooling means to selectively and controllably heat or cool said conductive element within a preselected range, which heat or cold is applied to said tested device by means of said conductive element, and regulating means effective to regulate the engaging force of said conductive element on said tested device comprising a counterweight movable on said structure and effective to provide a variable upward force on said conductive element, thereby to selectively control the engaging force of said conductive element on said tested device.
References Cited (Backward Citations)
US3143167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-02 | 1976-10-02 | 1977-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-02 | 1980-10-02 | 1981-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-02 | 1984-10-02 | 1985-04-03 | $7700.00 | Window Closed / Lapsed |