FR4 TSR9229 The Magister
FR4 may refer to: * FR-4 or FR4, a NEMA grade designation for glass-reinforced epoxy laminate material * ''The Magister'', the fourth supplement of the ''Forgotten Realms'' series role-playing game * France 4 France 4 () is a French free-to-air television channel owned by France Télévisions, focused on children's programming. The colour of France 4 is purple. Originally launched as Festival in 1996, the channel took its current name in 2005 when it ...

FR-4
FR-4 (or FR4) is a NEMA grade designation for glass-reinforced epoxy laminate material. FR-4 is a composite material composed of woven fiberglass cloth with an epoxy resin binder that is flame resistant (''self-extinguishing''). "FR" stands for "flame retardant", and does not denote that the material complies with the standard UL94V-0 unless testing is performed to UL 94, Vertical Flame testing in Section 8 at a compliant lab. The designation FR-4 was created by NEMA in 1968. FR-4 glass epoxy is a popular and versatile high-pressure thermoset plastic laminate grade with good strength to weight ratios. With near zero water absorption, FR-4 is most commonly used as an electrical insulator possessing considerable mechanical strength. The material is known to retain its high mechanical values and electrical insulating qualities in both dry and humid conditions. These attributes, along with good fabrication characteristics, lend utility to this grade for a wide variety of electric ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  

The Magister
''The Magister'' is an accessory for the Forgotten Realms campaign setting of the first edition ''Advanced Dungeons & Dragons'' fantasy role-playing game. The book, with product code TSR 9229, was published in 1988 by TSR. It was written by Ed Greenwood and Steve Perrin, with cover art by Jeff Easley and interior art by Valerie Valusek. Contents ''The Magister'' is a supplement which describes magic items and spells specific to the Forgotten Realms setting, and includes rules for magic item creation, random tables for generating magical treasure, and descriptions of new magic items. Elminster, a fictional wizard, narrates the book, and provides descriptive detail, history, and game mechanics for the magic he presents. The spells and spell descriptions are explicit and detailed, and the tomes that contain these spells are described in appearance and history. The book provides lore and descriptions of magical armor, clothing, rings, wands, swords, and miscellaneous magical ite ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]