- lossy cladding
- поглощающее покрытие
English-Russian dictionary of telecommunications and their abbreviations. A.V. Alexandrov.. 2004.
English-Russian dictionary of telecommunications and their abbreviations. A.V. Alexandrov.. 2004.
FR-4 — FR 4, an abbreviation for Flame Retardant 4, is a type of material used for making a printed circuit board (PCB). It describes the board itself with no copper covering. FR 4 meets the requirements of Underwriters Laboratories UL94 V0. The FR 4… … Wikipedia