NBS Special Publication, Issues 400-411U.S. Government Printing Office, 1975 |
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Results 1-5 of 72
Page 44
... switching circuit for measuring thermal resistance modified to allow use of a variety of junction voltages as temperature sensitive parameters · Model used for simulating the way in which the emitter - base voltage averages the junction ...
... switching circuit for measuring thermal resistance modified to allow use of a variety of junction voltages as temperature sensitive parameters · Model used for simulating the way in which the emitter - base voltage averages the junction ...
Page 5
... switching thermal resistance test circuit was successfully used to sepa- rate thermal effects of the input and output transistors of a monolithic Darlington cir- cuit . This simple two - transistor circuit is an elemental integrated ...
... switching thermal resistance test circuit was successfully used to sepa- rate thermal effects of the input and output transistors of a monolithic Darlington cir- cuit . This simple two - transistor circuit is an elemental integrated ...
Page v
... switching circuit for measuring thermal resistance modified to allow use of a variety of junction voltages as temperature sensitive parameters Model used for simulating the way in which the emitter - base voltage averages the junction ...
... switching circuit for measuring thermal resistance modified to allow use of a variety of junction voltages as temperature sensitive parameters Model used for simulating the way in which the emitter - base voltage averages the junction ...
Page 35
... SWITCH OPTICAL COUPLER Vcc ap VEE R1 Q , D2 Q2 R1 R2 d . Three - terminal Darlington with integrated resistors and output diode . Figure 27. Circuit diagram of emitter- only switching circuit for measuring thermal resistance modified to ...
... SWITCH OPTICAL COUPLER Vcc ap VEE R1 Q , D2 Q2 R1 R2 d . Three - terminal Darlington with integrated resistors and output diode . Figure 27. Circuit diagram of emitter- only switching circuit for measuring thermal resistance modified to ...
Page 36
... switches S1 and S4 open , switch S2 closed , and switch S3 set at C. In this configuration , the measuring current is fed to the collector terminal and an emitter- and - collector switching mode ( NBS Tech . Note 743 , pp . 34-35 ) is ...
... switches S1 and S4 open , switch S2 closed , and switch S3 set at C. In this configuration , the measuring current is fed to the collector terminal and an emitter- and - collector switching mode ( NBS Tech . Note 743 , pp . 34-35 ) is ...
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Common terms and phrases
aluminum analysis angle applied beam energy bond pairs bond pull test boron Bureau of Standards calibration capacitance Center collector curve Darlington pairs depletion detector determined diffusion diode dopant density edge electrical electron beam emitter epitaxial eyepiece frequency function germanium heating image intensity profile impurity input integrated circuits intermediate-frequency ionization junction temperature Laboratory leak loop height materials measured pull strength method microscope mixer modulation MOS capacitor n-type National Bureau NBS Spec noise noise figure obtained operating output oxide p-n junction parameters percent PHOTOLITHOGRAPHY photomask plotted power transistors probe Publ ratio region resistance measurements resistor scanning electron scanning electron microscope Semiconductor Measurement Technology sheet resistance shown in figure silicon dioxide specimen spreading resistance substrate surface switching technical technique test patterns test structures thermal resistance thickness tion two-level bond values voltage wafer width wire bonds
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Page 53 - A special series of interim or final reports on work performed by NBS for outside sponsors (both government and non-government). In general, initial distribution is handled by the sponsor; public distribution is by the National Technical Information Services (Springfield, Va.
Page 19 - Handbooks — Recommended codes of engineering and industrial practice (including safety codes) developed in cooperation with interested industries, professional organizations, and regulatory bodies. Special Publications...
Page ii - In no case does such identification imply recommendation or endorsement by the National Bureau of Standards, nor does it imply that the materials or equipment identified are necessarily the best available for the purpose.
Page 42 - ... materials needed by industry, commerce, educational institutions, and Government; provides advisory and research services to other Government Agencies; develops, produces, and distributes Standard Reference Materials; and provides calibration services.
Page 22 - NATIONAL BUREAU OF STANDARDS The National Bureau of Standards' was established by an act of Congress March 3, 1901. The Bureau's overall goal is to strengthen and advance the Nation's science and technology and facilitate their effective application for public benefit. To this end. the Bureau conducts research and provides...
Page 24 - THE INSTITUTE FOR BASIC STANDARDS provides the central basis within the United States of a complete and consistent system of physical measurement; coordinates that system with measurement systems of other nations; and furnishes essential services leading to accurate and uniform physical measurements throughout the Nation's scientific community, industry, and commerce.