Shields may be unable to repel certain types of weapons the phased polaron weapons used by the Dominion - one of the primary antagonists of Star Trek: Deep Space Nine - are initially unhindered by the shields of Starfleet ships. Shields can be weakened by attack, and are often shown to collapse after prolonged bombardment.
In " That Which Survives", the alloy of diburnium and osmium is stated to be the hardest alloy known to the Federation.
#Deflector sheild series#
Scott's Guide to the Enterprise further states that shields on post-refit Constitution-class vessels - of which the USS Enterprise of Star Trek: The Original Series is an example - were generated by the subatomic scan and replication of an alloy known as diburnium-osmium, and then projected as a force field beyond a ship's hull along the shield grid. In The Making of Star Trek, authors Gene Roddenberry and Stephen Whitfield write that shields are force fields similar in nature to the navigational deflector, while Mr. Shields are said to be made of a screen of gravitons that can deflect beam and projectile weaponry. Shields are not shown unless struck, and are then often shown briefly for dramatic effect as a translucent bubble of energy. Characters discuss its existence and manipulation, while only superficially describing its exact physics, which result in a field being projected around a ship or other body, deflecting or dispersing projectiles and energy weapons. Like most technologies in the Star Trek fictional universe, the exact operation of shield technology is never precisely described.
Shields are not mentioned during the earlier seasons of the Star Trek: Enterprise series, starships instead using "polarized hull plating" to make their hull more resistant to damage. The first depicted use by a starship was in the Star Trek episode " Arena", in which the USS Enterprise raises its 'screens' after being attacked by an alien warship although the term 'shields' is not used in this episode. The term 'shields' first appears in the Star Trek episode " Balance of Terror", in which they were deployed, albeit to little effect, by a Federation outpost under attack from a Romulan Warbird.
Types of shields include navigational deflectors. They are sometimes referred to as deflectors, deflector shields, screens, (the latter during Star Trek: The Original Series). In the Star Trek fictional universe, shields refer to a 23rd and 24th century technology that provides starships, space stations, and entire planets with limited protection against damage. Protects ships, space stations, and planets from damage by hazard or enemy attack.
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