Plasma phaser

From Memory Alpha, the free Star Trek reference

Plasma phaser was a proposed weapon for use against the Borg.

The plasma phaser was still on the drawing board in late 2366. It was projected that this, and other weapons designed to defend against the Borg, would take eighteen to twenty-four months to be ready. While preparing to face an imminent Borg invasion in that year, Lieutenant Commander Shelby attempted to suggest modifying the plasma phaser design to adapt it to the existing technolgies aboard the USS Enterprise-D. She was stopped by Commander William T. Riker, who ended discussion for that night. (TNG: "The Best of Both Worlds")

Phaser technology
Tools: phaser bore • phaser drill
Weapons: Bajoran phaser • compression phaser rifle • Galor-class phaser bank • hand phaser • Kzinti phaser • particle phaser • phaser array • phaser bank • phaser cannon • phaser emitter • phaser type-1 • phaser type-2 • phaser type-3 • phaser type-4 • phaser type-8 • plasma phaser • Regalian phaser rifle • regenerative phaser
Other: phaser coil • phaser range • phaser relay • phaser room • phaser sweep