C - CHEMISTRY
C04 - CEMENTS
C04B - LIME, MAGNESIA
C04B2235/6567 - Treatment time
C04B2235/658 - Atmosphere during thermal treatment
C04B2235/6581 - Total pressure below 1 atmosphere, e.g. vacuum
C04B2237/343 - Alumina or aluminates
C04B2237/403 - Refractory metals
C04B2237/52 - Pre-treatment of the joining surfaces, e.g. cleaning, machining
C04B2237/525 - by heating
C04B2237/60 - Forming at the joining interface or in the joining layer specific reaction phases or zones, e.g. diffusion of reactive species from the interlayer to the substrate or from a substrate to the joining interface, carbide forming at the joining interface
C04B2237/62 - Forming laminates or joined articles comprising holes, channels or other types of openings
C04B2237/68 - Forming laminates or joining articles wherein at least one substrate contains at least two different parts of macro-size, e.g. one ceramic substrate layer containing an embedded conductor or electrode
C04B2237/704 - of one or more of the ceramic layers or articles
C04B2237/706 - of one or more of the metallic layers or articles
C04B35/6455 - {Hot isostatic pressing}
C04B37/021 - {in a direct manner, e.g. direct copper bonding [DCB]}
H - ELECTRICITY
H01 - BASIC ELECTRIC ELEMENTS
H01B - CABLES
H01B3/004 - {with conductive additives or conductive layers}
H - ELECTRICITY
H01 - BASIC ELECTRIC ELEMENTS
H01J - ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J45/00 - Discharge tubes functioning as thermionic generators {
Y - NEW / CROSS SECTIONAL TECHNOLOGIES
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S228/903 - Metal to nonmetal
Y - NEW / CROSS SECTIONAL TECHNOLOGIES
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T29/49227 - Insulator making