Ad
related to: hermetic sealing meaning
Search results
Results From The WOW.Com Content Network
Hermetic seal. A hermetic seal is any type of sealing that makes a given object airtight (preventing the passage of air, oxygen, or other gases). The term originally applied to airtight glass containers, but as technology advanced it applied to a larger category of materials, including rubber and plastics.
Hermeticism. Hermeticism, or Hermetism, is a philosophical and religious tradition rooted in the teachings attributed to Hermes Trismegistus, a syncretic figure combining elements of the Greek god Hermes and the Egyptian god Thoth. [a] This system encompasses a wide range of esoteric knowledge, including aspects of alchemy, astrology, and ...
Glass frit bonding, also referred to as glass soldering or seal glass bonding, describes a wafer bonding technique with an intermediate glass layer. It is a widely used encapsulation technology for surface micro-machined structures, e.g., accelerometers or gyroscopes. [1] This technique utilizes low melting-point glass ("glass solder") and ...
Glass-to-metal seal. Uranium glass used as lead-in seals in a vacuum capacitor. Glass-to-metal seals are a type of mechanical seal which joins glass and metal surfaces. They are very important elements in the construction of vacuum tubes, electric discharge tubes, incandescent light bulbs, glass-encapsulated semiconductor diodes, reed switches ...
Crude versions of conically tapered ground glass joints have been made for quite a while, [1] particularly for stoppers for glass bottles and retorts. [2] Crude glass joints could still be made to seal well by grinding the two parts of a joint against each other using an abrasive grit, but this led to variations between joints and they would not seal well if mated to a different joint.
Root canal procedure: unhealthy or injured tooth, subsequent creation of an access cavity with a dental handpiece, cleaning and shaping the root canals with an endodontic file, and restoration with gutta-percha filling and a crown. Removing infected pulp during a root canal procedure. Root canal treatment (also known as endodontic therapy ...
Özgüç, Nimet. "Seal Impressions from the Palaces at Acemhöyük." In Ancient Art in Seals, edited by Edith Porada, 61-80. Princeton: Princeton University Press, 1980. Özgüç, Nimet. Kültepe-Kaniš/Neša: Seal Impressions on the Clay Envelopes from the Archives of the Native Peruwa and Assyrian Trader Uṣur-Ša-Ištar Son of Aššur-Imittī.
Language links are at the top of the page. Search. Search