Where more than one isotope exists, the value given is the abundance weighted average.Ītoms of the same element with different numbers of neutrons. This is approximately the sum of the number of protons and neutrons in the nucleus. The mass of an atom relative to that of carbon-12. The transition of a substance directly from the solid to the gas phase without passing through a liquid phase.ĭensity is the mass of a substance that would fill 1 cm 3 at room temperature. The temperature at which the liquid–gas phase change occurs. The temperature at which the solid–liquid phase change occurs. The arrangements of electrons above the last (closed shell) noble gas. These blocks are named for the characteristic spectra they produce: sharp (s), principal (p), diffuse (d), and fundamental (f). The atomic number of each element increases by one, reading from left to right.Įlements are organised into blocks by the orbital type in which the outer electrons are found. Members of a group typically have similar properties and electron configurations in their outer shell.Ī horizontal row in the periodic table.
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238000004519 manufacturing process Methods 0.000 claims abstract description 11.239000003365 glass fiber Substances 0.000 claims abstract description 12.238000010438 heat treatment Methods 0.000 claims abstract description 87.239000000835 fiber Substances 0.000 title claims abstract description 70.Assignors: MATTILA, TIMO Publication of US20050115278A1 publication Critical patent/US20050115278A1/en Status Abandoned legal-status Critical Current Links
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Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to FI20020103A priority Critical patent/FI113533B/en Priority to FI20020103 priority Application filed by Photonium Oy filed Critical Photonium Oy Priority to PCT/FI2003/000020 priority patent/WO2003059831A1/en Assigned to PHOTONIUM OY reassignment PHOTONIUM OY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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Original Assignee Photonium Oy Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Abandoned Application number US10/501,710 Inventor Timo Mattila Current Assignee (The listed assignees may be inaccurate. Google Patents US20050115278A1 - Sealing a fiber drawing furnace US20050115278A1 - Sealing a fiber drawing furnace