US4690569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal profile system
Assignee: Qualtronics Corp
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Filing: 1986-05-22
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Granted: 1987-09-01
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Expires: 2006-05-22
Abstract
Abstract Apparatus and method for implementing a characterized thermal profile upon a temperature/time dependent process on any material or materials susceptible to such thermal processing in accordance with a closed loop environmental feedback system and a corresponding predetermined characterized thermal profile.
Inventors
- 👤 Randall C. Veitch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:55
CPC Classifications
G; G01; G01N; G01N25/00; H; H05; H05K; H05K3/00; H05K3/30; H05K3/32; H05K3/34; H05K3/3494
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
182 words
Apparatus for the implementation of a characterized thermal profile of a temperature/time dependent process upon a preselected material or materials comprising: a substantially rectangular thermally transparent platform capable of supporting the material or materials to be thermally treated having a preselected locus or target area for the placement of said material or materials; a source of heat energy; a means for moving said source of heat energy either closer to or farther away from the material or materials to be thermally treated; a means for creating a controlled air flow through said platform to provide more gradual temperature increases and decreases to the material or materials to be thermally treated; a temperature measuring means for detecting increases or decreases in the surface temperature of the material or materials to be thermally treated placed in the target area; a means for storing a predetermined heating and cooling pattern for the material or materials to be thermally treated; and, a means for controlling the thermal treatment of the material or materials to be thermally treated in accordance with the predetermined heating and cooling pattern.
Claim 2
Dependent Claim
182 words
Apparatus for the implementation of a characterized thermal profile of a temperature/time dependent process upon a preselected material or materials comprising: a substantially rectangular thermally transparent platform capable of supporting the material or materials to be thermally treated having a preselected locus or target area for the placement of said material or materials; a source of heat energy; a means for moving said source of heat energy either closer to or farther away from the material or materials to be thermally treated; a means for creating a controlled air flow through said platform to provide more gradual temperature increases and decreases to the material or materials to be thermally treated; a temperature measuring means for detecting increases or decreases in the surface temperature of the material or materials to be thermally treated placed in the target area; a means for storing a predetermined heating and cooling pattern for the material or materials to be thermally treated; and, a means for controlling the thermal treatment of the material or materials to be thermally treated in accordance with the predetermined heating and cooling pattern.
Claim 3
Dependent Claim
113 words
Apparatus in accordance with Claim 1 wherein the means for controlling the thermal treatment of the material or materials comprises a means for comparing the emitted surface temperatures of said material or materials to be thermally treated in the target area to temperatures of the predetermined heating and cooling pattern and causing the movement of the source of heat energy closer to or farther away from said material or materials to be thermally treated and the increasing or decreasing of the flow of air in cooperation therewith to effectively achieve the required thermal treatment of the material or materials to be thermally treated all in accordance with the predetermined heating and cooling pattern.
Claim 4
Dependent Claim
70 words
Apparatus in accordance with claim 1 wherein the predetermined heating and cooling pattern is dependent upon the thermal characteristics of the material or materials to be thermally treated as perceived by an operator/user and upon the storing of at least two preselected thermal characteristics of the material or materials to be thermally treated in the means for storing the predetermined heating and cooling pattern as a part of said pattern.
Claim 5
Dependent Claim
28 words
Apparatus in accordance with claim 1 wherein the means for moving the source of heat energy includes means for fixedly and securedly supporting said source of heat energy.
Claim 6
Dependent Claim
21 words
Apparatus in accordance with claim 1 wherein the means for creating a controlled air flow through the platform is a fan.
Claim 7
Dependent Claim
24 words
Apparatus in accordance with claim 5 wherein the fan can be incrementally speeded up or slowed down in accordance with the required air flow.
Claim 8
Dependent Claim
22 words
Apparatus in accordance with claim 1 wherein the temperature measuring means is an optical pyrometer suitable for operation in the infra-red range.
Claim 9
Dependent Claim
32 words
Apparatus in accordance with claim 7 wherein the pyrometer is disposed over the target area at an angle within the range of 30 to 60 degrees above the level of the platform.
Claim 10
Dependent Claim
27 words
Apparatus in accordance with claim 7 wherein the pyrometer is disposed over the target area at an angle of 45 degrees above the level of the platform.
Claim 11
Dependent Claim
27 words
Apparatus in accordance with claim 1 wherein the temperature measuring means detects the mean or average emitted temperature of the material or materials to be thermally treated.
Claim 12
Independent Claim
184 words
A method for the implementation of a characterized thermal profile of a temperature/time dependent process upon a preselected material or materials comprising the steps of: providing a substantially rectangular thermally transparent platform capable of supporting the material or materials to be thermally treated having a preselected locus or target area for the placement of said material or materials; providing a source of heat energy; providing a means for moving said source of heat energy either closer to or farther away from the material or materials to be thermally treated; providing a means for creating a controlled air flow through said platform to provide more gradual temperature increases and decreases to the material or materials to be thermally treated; detecting increases or decreases in the surface temperature of the material or materials to be thermally treated placed in the target area by a temperature measuring means; storing a predetermined heating and cooling pattern for the material or materials to be thermally treated; and, controlling the thermal treatment of the material or materials to be thermally treated in accordance with the predetermined heating and cooling pattern.
Claim 13
Independent Claim
184 words
A method for the implementation of a characterized thermal profile of a temperature/time dependent process upon a preselected material or materials comprising the steps of: providing a substantially rectangular thermally transparent platform capable of supporting the material or materials to be thermally treated having a preselected locus or target area for the placement of said material or materials; providing a source of heat energy; providing a means for moving said source of heat energy either closer to or farther away from the material or materials to be thermally treated; providing a means for creating a controlled air flow through said platform to provide more gradual temperature increases and decreases to the material or materials to be thermally treated; detecting increases or decreases in the surface temperature of the material or materials to be thermally treated placed in the target area by a temperature measuring means; storing a predetermined heating and cooling pattern for the material or materials to be thermally treated; and, controlling the thermal treatment of the material or materials to be thermally treated in accordance with the predetermined heating and cooling pattern.
Claim 14
Dependent Claim
114 words
A method in accordance with claim 11 wherein the controlling of the thermal treatment of the material or materials comprises the further step of comparing the emitted surface temperatures of said material or materials to be thermally treated in the target area to temperatures of the predetermined heating and cooling pattern and causing the movement of the source of heat energy closer to or farther away from said material or materials to be thermally treated and the increasing or decreasing of the flow of air in cooperation therewith to effectively achieve the required thermal treatment of the material or materials to be thermally treated all in accordance with the predetermined heating and colling pattern.
Claim 15
Dependent Claim
71 words
A method in accordance with claim 11 wherein the predetermined heating and cooling pattern is dependent upon the thermal characteristics of the material or materials to be thermally treated as perceived by an operator/user and upon the storing of at least two preselected thermal characteristics of the material or materials to be thermally treated in a means for storing the predetermined heating and cooling pattern as a part of said pattern.
Claim 16
Dependent Claim
44 words
A method in accordance with claim 11 wherein the detecting of increases or decreases in the surface temperature of the material or materials to be thermally treated comprises the further step of measuring the mean or average emitted temperature of said material or materials.
References Cited (Backward Citations)
US3392570A
Cited
US3888621A
Cited
US3982882A
Cited
US4333332A
Cited
US4461616A
Cited
US4541730A
Cited
US4588124A
Cited
US4610628A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-08-31 | 1991-03-02 | 1991-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-31 | 1995-03-02 | 1995-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-31 | 1999-03-02 | 1999-09-01 | $7700.00 | Window Closed / Lapsed |