Systems and methods for measuring relative thermal expansion coefficient of low thermal coefficient of expansion materials
First Claim
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1. A method comprising:
- attaching a double-ended tuning fork to a first reference material;
attaching a second double-ended tuning fork to a second reference material;
applying a pre-defined thermal test scenario to the first and second materials;
recording output of the first and second double-ended tuning forks produced during the thermal test scenario; and
determining a relative stress value between the first and second materials based on the recorded outputs of the first and second double-ended tuning forks.
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Abstract
Systems and methods for accurately comparing the thermal expansion coefficient of components (materials substrate, etc.) to be attached in some manner. This invention utilizes the frequency output of a double-ended quartz resonator bonded to first and second reference components to generate waveforms when the components are subjected to a temperature change. The waveforms are compared to determine the thermal expansion compatibility of the components.
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Citations
12 Claims
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1. A method comprising:
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attaching a double-ended tuning fork to a first reference material; attaching a second double-ended tuning fork to a second reference material; applying a pre-defined thermal test scenario to the first and second materials; recording output of the first and second double-ended tuning forks produced during the thermal test scenario; and determining a relative stress value between the first and second materials based on the recorded outputs of the first and second double-ended tuning forks. - View Dependent Claims (2, 3, 4, 5)
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6. An apparatus for comparing reference materials, the apparatus comprising:
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a first double-ended tuning fork attached to a first reference material for outputting a first vibration signal produced during a thermal test scenario; a second double-ended tuning fork attached to a second reference material for outputting a second vibration signal produced during the thermal test scenario; and a component configured to determine a relative stress value between the first and second reference materials based on the first and second vibration signals. - View Dependent Claims (7, 8, 9, 10)
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11. An apparatus for comparing reference materials, the apparatus comprising:
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a first resonator attached to a first reference material for outputting a first vibration signal produced during a thermal test scenario; a second resonator attached to a second reference material for outputting a second vibration signal produced during the thermal test scenario; and a component configured to determine a relative stress value between the first and second reference materials based on the first and second vibration signals. - View Dependent Claims (12)
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Specification