US5223689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Profiles to insure proper heating function
Assignee: Delaware Capital Formation Inc
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Filing: 1991-04-29
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Granted: 1993-06-29
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Expires: 2011-04-29
Abstract
Abstract A peak power measurement as a function of various system parameters is made to determine completion of a proper heating operation; in one embodiment by measuring peak power delivered to a level as a function of temperature within a specified time period for a specific load; and in another embodiment by the plot of peak power and ramp-up and ramp-down levels as a function of time.
Inventors
- 👤 Mark J. Cowell
- 👤 Thomas H. McGaffigan
- 👤 James C. Swift
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:46
CPC Classifications
B; B23; B23K; B23K1/00; B23K3/00; B23K3/02; B23K3/03; B23K3/033
Claims Analysis
Total Claims: 36
Claim 1
Independent Claim
85 words
The method of determining the completion of a proper heating operation, comprising the steps of: determining peak net power input to a specific heater as a required function of system parameters required to produce a proper heating operation in a specific load, initiating a heating operation, measuring net power and determining occurrence of the peak net power as a function of the desired system parameters, and terminating the heating operation as a function of detecting peak net power required to achieve the desired heating action.
Claim 2
Independent Claim
85 words
The method of determining the completion of a proper heating operation, comprising the steps of: determining peak net power input to a specific heater as a required function of system parameters required to produce a proper heating operation in a specific load, initiating a heating operation, measuring net power and determining occurrence of the peak net power as a function of the desired system parameters, and terminating the heating operation as a function of detecting peak net power required to achieve the desired heating action.
Claim 3
Dependent Claim
23 words
The method of claim 1, wherein the desired heating action is a specific configuration of peak net power occurring within a specified interval.
Claim 4
Dependent Claim
22 words
The method of claim 1, wherein the desired heating action is peak net power level occurring within a specified length of time.
Claim 5
Dependent Claim
26 words
The method of claim 1, wherein the desired function includes two net power peaks for second level falling to a final level above a predetermined level.
Claim 6
Dependent Claim
24 words
The method of claim 1, wherein the net power delivered to a load must rise to a desired maximum within a specified time interval.
Claim 7
Dependent Claim
34 words
The method of claim 1, wherein the net power must rise to a first peak, decline, rise to a second peak, and fall to a net power level above a specified net power level.
Claim 8
Dependent Claim
78 words
Apparatus for determining the completion of a proper heating operation, comprising: means determining peak net power input to a heater as a function of a system parameter required to produce a proper solder connection, means initiating a heating operation, means measuring power and determining occurrence of the peak power as a function of the system parameter, and means terminating the heating operation as a function of detecting peak net power as the desired function of the system parameter.
Claim 9
Dependent Claim
78 words
Apparatus for determining the completion of a proper heating operation, comprising: means determining peak net power input to a heater as a function of a system parameter required to produce a proper solder connection, means initiating a heating operation, means measuring power and determining occurrence of the peak power as a function of the system parameter, and means terminating the heating operation as a function of detecting peak net power as the desired function of the system parameter.
Claim 10
Dependent Claim
58 words
Apparatus for determining the completion of a desired heating function, comprising: a source of power, means for establishing a net power function that indicates that heating has been properly achieved, means for establishing a function related to net power transferred to a load, and means comparing said functions to determine if said net power function has been achieved.
Claim 11
Dependent Claim
58 words
Apparatus for determining the completion of a desired heating function, comprising: a source of power, means for establishing a net power function that indicates that heating has been properly achieved, means for establishing a function related to net power transferred to a load, and means comparing said functions to determine if said net power function has been achieved.
Claim 12
Independent Claim
75 words
The method of insuring a proper heating operation, comprising: developing net power and net power variations required to perform a proper heating operation by initially measuring the thermal characteristics of a specific load, the thermal inertia of the heater, the area of contact between heater and load, mass of the heater, and time and temperature requirements, initiating a heating operation, measuring net power characteristics, and comparing such net power characteristics as a function of time.
Claim 13
Independent Claim
75 words
The method of insuring a proper heating operation, comprising: developing net power and net power variations required to perform a proper heating operation by initially measuring the thermal characteristics of a specific load, the thermal inertia of the heater, the area of contact between heater and load, mass of the heater, and time and temperature requirements, initiating a heating operation, measuring net power characteristics, and comparing such net power characteristics as a function of time.
Claim 14
Independent Claim
76 words
The method of determining the completion of a proper soldering operation, comprising the steps of: determining peak power input to a heater as a function of a system parameter required to produce a proper solder connection, initiating a soldering operation, measuring power and determining occurrence of the peak power as a function of the system parameter, and terminating the soldering operation as a function of detecting peak power as the desired function of the system parameter.
Claim 15
Independent Claim
76 words
The method of determining the completion of a proper soldering operation, comprising the steps of: determining peak power input to a heater as a function of a system parameter required to produce a proper solder connection, initiating a soldering operation, measuring power and determining occurrence of the peak power as a function of the system parameter, and terminating the soldering operation as a function of detecting peak power as the desired function of the system parameter.
Claim 16
Dependent Claim
21 words
The method of claim 10, wherein the desired function is a specific configuration of a graph of peak power versus time.
Claim 17
Dependent Claim
14 words
The method of claim 10, wherein the desired function is a peak power level.
Claim 18
Dependent Claim
76 words
Apparatus for determining the completion of a proper soldering operation, comprising: means determining peak power input to a heater as a function of a system parameter required to produce a proper solder connection, means initiating a soldering operation, means measuring power and determining occurrence of the peak power as a function of the system parameter, and means terminating the soldering operation as a function of detecting peak power as the desired function of the system parameter.
Claim 19
Dependent Claim
76 words
Apparatus for determining the completion of a proper soldering operation, comprising: means determining peak power input to a heater as a function of a system parameter required to produce a proper solder connection, means initiating a soldering operation, means measuring power and determining occurrence of the peak power as a function of the system parameter, and means terminating the soldering operation as a function of detecting peak power as the desired function of the system parameter.
Claim 20
Independent Claim
90 words
The method of determining the completion of a proper heating operation, comprising the steps of: determining a peak of net power input to a specific heater as a required function of system parameters required to produce a proper heating operation in a specific load, initiating a heating operation, measuring net power and determining occurrence of a peak of net power as a function of the desired system parameters, and terminating the heating operation as a function of detecting a peak of net power required to achieve the desired heating action.
Claim 21
Independent Claim
90 words
The method of determining the completion of a proper heating operation, comprising the steps of: determining a peak of net power input to a specific heater as a required function of system parameters required to produce a proper heating operation in a specific load, initiating a heating operation, measuring net power and determining occurrence of a peak of net power as a function of the desired system parameters, and terminating the heating operation as a function of detecting a peak of net power required to achieve the desired heating action.
Claim 22
Dependent Claim
25 words
The method of claim 14, wherein the desired heating action is a specific configuration of a peak of net power occurring within a specified interval.
Claim 23
Dependent Claim
24 words
The method of claim 14, wherein the desired heating action is a peak of net power level occurring within a specified length of time.
Claim 24
Dependent Claim
22 words
The method of claim 14, wherein the desired function includes two net power peaks and a final level above a predetermined level.
Claim 25
Dependent Claim
23 words
The method of claim 14, wherein the net power delivered to a load rises to a desired maximum within a specified time interval.
Claim 26
Dependent Claim
33 words
The method of claim 14, wherein the net power rises to a first peak, declines, rises to a second peak, and falls to a net power level above a specified net power level.
Claim 27
Dependent Claim
84 words
Apparatus for determining the completion of a proper heating operation, comprising: means determining a peak of net power input to a heater as a function of a system parameter required to produce a proper solder connection, means initiating a heating operation, means measuring power and determining occurrence of a peak of net power as a function of the system parameter, and means terminating the heating operation as a function of detecting a peak of net power as the desired function of the system parameter.
Claim 28
Dependent Claim
84 words
Apparatus for determining the completion of a proper heating operation, comprising: means determining a peak of net power input to a heater as a function of a system parameter required to produce a proper solder connection, means initiating a heating operation, means measuring power and determining occurrence of a peak of net power as a function of the system parameter, and means terminating the heating operation as a function of detecting a peak of net power as the desired function of the system parameter.
Claim 29
Dependent Claim
58 words
Apparatus for determining the completion of a desired heating function, comprising: a source of power, means for establishing a net power function that indicates that heating has been properly achieved, means for establishing a function related to net power transferred to a load, and means comparing said functions to determine if said net power function has been achieved.
Claim 30
Dependent Claim
58 words
Apparatus for determining the completion of a desired heating function, comprising: a source of power, means for establishing a net power function that indicates that heating has been properly achieved, means for establishing a function related to net power transferred to a load, and means comparing said functions to determine if said net power function has been achieved.
Claim 31
Independent Claim
110 words
The method of verifying conformance of a heating operation of an article to a standard, comprising: developing net power and net power variations required to perform a proper heating operation by initially measuring the thermal characteristics of a specific load, the thermal inertia of the heater, the area of contact between heater and load, the mass of the heater, and time and temperature requirements, initiating a heating operation, measuring net power characteristics, comparing such net power characteristics as a function of time with a standard, and testing during the heating function to accept as properly heated articles, those which have been subjected to a heating function conforming with said standard.
Claim 32
Independent Claim
110 words
The method of verifying conformance of a heating operation of an article to a standard, comprising: developing net power and net power variations required to perform a proper heating operation by initially measuring the thermal characteristics of a specific load, the thermal inertia of the heater, the area of contact between heater and load, the mass of the heater, and time and temperature requirements, initiating a heating operation, measuring net power characteristics, comparing such net power characteristics as a function of time with a standard, and testing during the heating function to accept as properly heated articles, those which have been subjected to a heating function conforming with said standard.
Claim 33
Independent Claim
103 words
The method of determining the completion of a proper heating operation comprising the steps of determining the tolerance to temperature of elements adjacent a region to be heated, determining the rate of flow of heat from the region to be heated to various adjacent elements, determining the temperature to which it is desired to heat a load to be heated, determining the rate of transfer of heat to the load, determining the power required to achieve proper heating of the load without damaging adjacent elements, applying such power to the load and determining if the results of the said determination have been achieved.
Claim 34
Independent Claim
103 words
The method of determining the completion of a proper heating operation comprising the steps of determining the tolerance to temperature of elements adjacent a region to be heated, determining the rate of flow of heat from the region to be heated to various adjacent elements, determining the temperature to which it is desired to heat a load to be heated, determining the rate of transfer of heat to the load, determining the power required to achieve proper heating of the load without damaging adjacent elements, applying such power to the load and determining if the results of the said determination have been achieved.
Claim 35
Dependent Claim
18 words
The method according to claim 23 including applying energy at a predetermined rate until desired temperature is achieved.
Claim 36
Dependent Claim
17 words
The method according to claim 23 wherein a peak power is selected and applied to a load.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-06-28 | 1996-12-28 | 1997-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-06-28 | 2000-12-28 | 2001-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-06-28 | 2004-12-28 | 2005-06-29 | $7700.00 | Window Closed / Lapsed |