Si Traceability
Si Traceability - Related Videos
12:35
Atomically Traceable Nanostructure Fabrication
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Cited by 4 •
2015
We report a protocol for combining the atomic metrology of the Scanning Tunneling Microscope for surface patterning with selective Atomic Layer Deposition and Reactive Ion Etching. Using a robust process involving numerous atmospheric exposures and transport, 3D nanostructures with atomic metrology are fabricated.
09:53
Labeling of Breast Cancer Patient-derived Xenografts with Traceable Reporters for Tumor Growth and Metastasis Studies
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Cited by 18 •
2016
We describe a method for stable labeling of patient-derived xenografts (PDXs) with lentiviral particles expressing green-fluorescent protein and luciferase reporters. This method allows for tracking the growth of PDXs at the primary site, as well as detecting spontaneous and experimental metastases using in vivo imaging systems.
09:57
Isolation and Analysis of Traceable and Functionalized Extracellular Vesicles from the Plasma and Solid Tissues
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Cited by 7 •
2022
The present protocol describes a method to extract extracellular vesicles from the peripheral blood and solid tissues with subsequent profiling of surface antigens and protein cargos.
10:39
Intranasal Administration of Recombinant Influenza Vaccines in Chimeric Mouse Models to Study Mucosal Immunity
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Cited by 1 •
2015
There is an overall lack of knowledge about how vaccines work. Here we propose the combined use of reverse genetics and bone marrow chimeric mice to gain insight into the early host immune responses to vaccines with a special focus on dendritic cells and T cell immunity.
01:24
Data Reporting and Recording
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2023
Reporting and recording are crucial in data documentation. The timely, thorough, and accurate documentation of facts is essential when recording patient data. Failure to record findings during an assessment or interpretation of a problem will result in loss of information and make the patient document unreliable. The reader is left with general impressions if the information is not specific. A recording is documenting data of the individual's health information in a traceable, secure, and...
FAQs
Si traceability transfers measurement confidence through successive calibrations rather than treating an instrument reading as independent. An instrument or reference artifact is calibrated against a higher-level standard, and that relationship continues toward working equipment. At each transfer, the procedure and associated uncertainty are recorded, allowing engineers to judge how strongly a result is supported and compare it with other measurements.
An unbroken chain preserves the connection between a result and recognized reference standards. When that connection is maintained, measurements made at different laboratories or manufacturing sites can be compared on a consistent technical basis. The chain also supports comparison over time, helping engineers distinguish genuine process changes from differences introduced by measurement practice or equipment.
Evaluating uncertainty at each transfer shows how measurement reliability is carried from primary standards to working equipment. This information helps engineers interpret whether differences in thickness, resistivity, composition, or dimensional accuracy are technically meaningful. Without uncertainty information, a traceable result would be harder to defend, compare, or use in process-control decisions.
Implementation requires calibrated instruments, reference artifacts, documented measurement procedures, and records of the calibration relationships. Engineers follow the chain from primary or higher-level standards to working equipment while retaining the associated uncertainty evaluation. For silicon measurements, this framework can address thickness, resistivity, composition, and dimensional accuracy, creating a defensible basis for process-control and quality decisions.
Si traceability is especially relevant when results must remain comparable across laboratories, manufacturing sites, or time. Semiconductor teams can use it to support process control and quality assurance, while organizations can rely on the documented measurement basis for regulatory compliance. The same evidence is useful in failure analysis and reproducible research, where technically defensible results need to be examined or repeated.
Traceable results provide a consistent basis for monitoring properties such as thickness, resistivity, composition, and dimensional accuracy. Engineers can use those results to strengthen process control and assess whether reported device or material outcomes are comparable with measurements made elsewhere. When problems arise, the documented calibration chain and uncertainty information also support failure analysis by showing how the measurement result was established.