Chapter 5: The X-Ray Tube Flashcards

1
Q

The positive side (Anode)

A

Roter and stator coils

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2
Q

The X-Ray tube

A

Process x-ray for diagnostic imaging

Routine diagnosis, C-Arms, and other decimated equipment

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3
Q

Only way (man-made)

A

99% of energy = heat

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4
Q

X-ray process

A

1% of energy

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5
Q

Source of electrons

A

Cathode filament

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6
Q

Anatole contains

A

Target

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7
Q

Tungsten anode

A

High voltage

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8
Q

Vacuum

A

X-eat tube works on principle of electrons flowing through a vacuum

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9
Q

The cathode assembly
(Negative side)

A

Filament, focusing cup, high voltage, associated wiring, filament circuit

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10
Q

Thermionic emission

A

Electrons to shoot across tube

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11
Q

Low voltage side of x-ray circuits

A

Source of electrons

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12
Q

Vibrations

A

Balance bond of valence band
Jumping of electrons
Causes heat

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13
Q

Thoriated tungsten

A

Wires that light up inside like hair dyer

0.1-0.2 mm thick
1-2mm wide
7-15mm long

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14
Q

Tungsten

A

Hard to melt, melting point is 3,370

Electrons to be released from filaments (boiled off)

Similar to light bulb

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15
Q

Two filaments wires

A

Dual focus arrangements

Small- better detail
Larger- bigger body part

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16
Q

X-ray machine

A

Low current flows to filament
Warm up
Prepare for thermal joint necessary for x-rat production