際際滷

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Basic of Darkroom
Prepared by:
Behzad Ommani
Bachelor of Radiology
Master of Medical Engineering
≒悋拆惘愕愕惘悋惠悋惠擧惡愕悋1942
惠愕愀Pako惺惘愆惆.
≒悋拆惘愕愕惘悋惠悋惠擧慍悋拆惘愕愕
惘悋惡40惆擧悋愆惆悋惆.
Introduction
≒悋拆惘愕愕惘悴慍惡愕愕惠悋惠悋愃惠擧
(First Roller Transport Processor)惠愕愀
擧惆悋擧惺惘愆惆.
≒悋惆愕惠擯悋愀惺悋惆3惠惘慍惺悋惆750
擧擯惘惠惺悋惆225000惆悋惘惆悋愆惠.
≒慍悋拆惘愕愕6惆惡惆.
Introduction
Darkroom Learning
Darkroom Learning
Introduction
慍悋 惆 惘悋忰
悋惠悋惠擧 惆愕惠
- 15惓悋 悋愕 惆惘 愆悋 悋惆 拆悽愆  惘惆 擧惘惆 悽愕
22惓悋 5惆 悋惘悧 惠惶惘 悋慍 惘悧 惠惶惘 惠惆 惴惘
- 30惓悋 惴惘 惆悋惘 惺 擧惘惆 惠 悋愕惆 忰悋
22惓悋 15惆 愆惆 惠悋惡愆 惘 悋惆 惆 悽悋惘悴 惓惡惠
20惓悋 20惆 愆悋 悋惆 惆 悽悋惘悴 愆愕惠愆
26惓悋 30惆 悋愆 惡惘悋 悛 惆 悛悋惆  悛惡 惆 悽悋惘悴 擧惘惆 悽愆擧
悋惠悋惠擧 惘愆 惆惘 惠悋 悋愕惠  愆悋惡 悋惠悋惠擧  惆愕惠 悋 惆愕惠擯悋 惆惘  擧 惓惡惠  惴惘 惘悋忰 悋惶悋
慍悋擧惠悋惠惘 惘忰 惘悋惆 愃惴惠 愆悋忰惘悋惘惠 惆惘悴悋愕惠 惡悋悋惠惘 悛.
Development
 Latent Image Visible Image
≒惘悛惆惴惘擧惘悛惆悋悋愕惠惺擧惆悋惆惘愀悋惺惴悋惘愆惆悋愆惆.
≒惡愀惘惺惆悋悋悋惆惘惠愕愀愕惆惡悋惘悋擧惠惘擧惡惘悋忰悋愀愆惆悵悋惆悋惘惴惘
惠悋惆惡惆惘擧惘愕惠悋惘惠悋惡愆愆惆悵悋惡惆.(愕惡)
 This subject depend on = Time & Concentration & Temperature
≒惆惘擧惘愕惠悋惘惠悋惡愆愆惆擧愀惷惺悋慍惠悴惺悋惠悋惘忰悋惶悋慍惠惡惆悋惆悋惘
惡悴惆悛惆擧惡悛惘擧慍惺惴惘悋愀悋愆惆.(Development Center)
≒惘惆悋惘惘惆惘惘擧慍忰愕悋愕惠惡愆惠惘惡悋愆惆悋惆悋悋愕惠擧惆惘惡惘惆惡惘悋悋惆悋忰悋悄
擧惆惡悋慍惠惘悋愕惠惺悋忰悋悄愕惘惺惠惘悋悴悋擯惘惆.
≒惠惺悋忰悋悄惆惘慍悋悋愕惡惠擯惘惆惆擧惘愕惠悋悋惆悋惘悋惆悋愕惠愆悋惡惡悋惠悋惡愆惘愕惆
惡惡悋愆惆.
Development
≒悋惆悋忰悋悄擧惆:
惆/惆惘擧
o惆
愕惘惺惠惡悋悋悋忰悋悄惘惆悋悋惡悋惠悋惡愆擧擧惠惘悋愕惠拆悋拆悋愆忰
o惆惘擧
愕惘惺惠拆悋悋忰悋悄惘惆惘愆惘惺惆悋悋惡悋惠悋惡愆慍悋惆擧惠惘悋愕惠慍悋惆愆悋忰
Development
≒悋惆惠愆惆惆擧惆:
惡擧惘惡悋惠愕惆/惡擧惘惡悋惠拆惠悋愕/惆惘悋擧愕惆拆惠悋愕
o惺惡悋惘(忰惴PH忰愀)
o惺惘愀惡擧惆(悵悛愕悋悛惡惡惆悋悽悋惠)
Development
≒悋惆惡悋慍惆悋惘惆:
惡惘惆拆惠悋愕惡惘惆愕惆
o擧惠惘惺悋惴惘惆惘愆惘惺擧悋惘惆悋惘
≒忰悋惴惠擧惆:
愕悋惠愕惆愕悋惠拆惠悋愕
o悴擯惘悋慍悋擧愕惆悋愕
金惆惘惡拆悋愕惠擧惠悋擧惴惘
Development
≒愕悽惠擧惆:
擯惠惘悛惆悧惆
o擧惠惘惠惘悋愕
o忰惘擧惠悛愕悋惡愃愀擧悋
o擧惠惡悋擯悋
≒忰悋:
惡悛
≒悋惆悴惆悋擧惆:
悋惠惆悛惠惠惘悋悋愕惆悋愕惠擧
o悴擯惘悋慍惠惘擧惡擧悋惺惆悋忰惆惘悛惡
Development
≒惷惆悋惘惡悋擧惠惘:
金悋悴悋惆悋悴悋惆惡惘惘惆悋惘惆悋悽惠悋擧惴惘
≒悛惆擯惆悋惘惴惘:
o惠悋忰忰愕悋愕惡悛惆擯悋愕惠.
o惠悋10惠惘惆惘10惠惘惆悋惘惴惘惺擧惘惆悛惘悋擧悋悽惠擧惆.
惠惆悋惠惘惺惠:拆悋愆惆惆悋惘惴惘惡惆悋悽惠悋擧惴惘惆惘忰惡惘惆悋愆惠愃愀擧悋惓惡惠
惺惠惆擯惘:惘悽惠惆悋惘惆惘悋惓惘惠惡悽惘惠愀惘
Development
≒惠惠惆悋惘惴惘:
惓悋惡惠擯惆悋愆惠惠惘擧惡惆悋惘惴惘
Replenishment = Film size , Oxidation, Emulsion
≒惓惡惠 惺悋:
悋 惠愕悋惠
惠愕悋惠悋惡惠愕悋惠悛Hypo惡惺悋惺悋惓惡惠惆惘悋愆悋悋惠悋惠擧惘惆
悋愕惠悋惆惘悋惘擯惘惆.
擧惡愀惘擧悋惓悋惡惠愆惆惡悋愆惆惴悋惘愆惘惘擯拆惆悋擧惆擧悋愆悋慍拆惘悋擧惆愆惆惘
惺惡惘惡愕擧惘愕惠悋悋擧擧悋惆惘惡悋悋惆惡惘惘悋愕惠.
悋悋惆惘擧惡悋擯悋愆惆惡惺惠悋擧愕惆愆惆Hypo惡悋悋惆惴悋惘惡慍惘惆惠悋惡
悋惠愃惘惘擯拆惆悋擧惆.
Fixation
Fixation
≒擧惆 惺悋 惺悋:
悋愕惠擧 悋愕惆
o惴惘 惺 惠
o忰惴PH惓惡惠 惆悋惘 惺悋惠 惡惘悋 忰愀
≒悋 擧惆 愕悽惠:
悛 擧惘惆/悛 擧惘惆/拆惠悋愕
悛
o擧惠惘惠惘悋愕
o忰惘擧惠悛愕悋惡愃愀擧悋
o悽愆擧愆惆愕惘惺
≒擧惆 忰悋惴惠:
愕惆 愕悋惠
o悋擧愕惆悋愕 悋慍 悋惺惠
o悛 惠愕悋惠 惠惘擧惡 悋慍 惘 惡愆惠惘 惡惘惆悋愆惠
Ag Br + sodium thiosulfate ----------------> Silver thiosulfate complex + Na Br
Fixation
≒擧惆 惠悴慍:
惡惘擧 悋愕惆/擧惘惡擧愕擧 悋愕惆
o惠悋擧 惆悋惘 惘 惡惘 悴 惠愆擧 悋慍 悴擯惘
金惆惆  悋慍悋愆 惘悋 愆惆 悽愆擧 慍悋
≒愆愕惠愆
o悛惡 忰惘悋惘惠 惆惘悴3惴惘 忰惘悋惘惠 惆惘悴 悋慍 擧惠惘 惆惘悴
o惡惘惆悋惘惆 惠惘擧 悋愕 惆悋惘惆 悋擧悋 悛惡 擯惘擧 擧惘惆 擧悋惘 惶惘惠 惆惘
o擧惆 悽悋 悋 愆惡  擧惆 拆惘 惘慍 惘 惘悋 悛惡 惠悋擧
o悋惘  惡悋擧惠惘 惘愆惆 愕惠惺惆
Wahing
Drying
≒擧惘惆 悽愆擧:
o悋惠 悋慍 悛惡 擧惘惆 悽悋惘悴
o惡悋惆 擧惘惆 悽愆擧 惘忰 拆悋悋 惆惘10惠悋15惆惘惶惆惠惘擧 悋愕 悋惶惘惠 愃惘 惆惘 惡悋惆 惡悋 悛惡
悽惘惆 .
o愆惆 惠惶 忰惘悋惘惠 惆惘悴50惠悋65愕悋惠擯惘悋惆 惆惘悴
Drug Mixture
≒惴惘 惆悋惘 愕悋悽惠 惘悛惆 惆惘惺悋 愕惆悋惘惆 忰悋惠 愆:
o惘惺悋惠擧惘惆 悽愀 惠惘惠惡悋惆
o愆悋 悋惆  悛惡 惆悋
o慍惆 擧悋 慍悋
金悛悋 惡 悛惡  愆惆 悋惷悋 悛惡 惡 悋惆 悋 愆 擧 惆悋愆惠 惡悋惆 悋惆 惡.
金惠悋惆  惶惘惠  愕惘 惡 惆悋惘 拆悋愆惆 悽愀惘 惷 惆悋惘 惡 悛惡 擧惘惆 悋惷悋惆悋惘 愕悋惆惆惡悋 惡 惘悋
惡悋愆惆 惆悋愆惠.
≒惘 愆惠:
悋愕惠 悋悽悋愕惠 悋擧愕 悋愆惺 悋慍 悋愆 悛惆擯  愆悋惡 愆惆 悋悴悋惆 悛惆擯 .
金悋愕惠 惷惘惘 惡惆 惆惘慍.
Penetrate Light
≒悋 惘 惠悋惡愆:
悋忰 惆惘 擧 惠悋惠 悋 惡悋 悋愕惠 悋悽悋愕惠 悋擧愕 悋愆惺 悋慍 悋愆 悛惆擯  愆悋惡 愆惆 悋悴悋惆 悛惆擯 
愆惆  惆惆 擧惠惘 悛惆擯  愆悽惶悋惠 惓惡惠.
≒悋 惘 惠惘 愕悋悽惠悋:
惡 擧 悋愕惠 愆惆 惠愆擧 忰惘悋惘惠  惘愀惡惠 惡 忰愕悋愕 悋惠 悋 擧 悋慍 愀惘擧 惡 惠悋惘擧悽悋 惠惘悋
惡惆惆 惆愕惠 悋慍 惘悋 悽惆 擧悋惘悛 悋愕惠 擧 愆惘悋愀 擧惘惆 惘惺悋惠 惶惘惠 惆惘  惡  慍悋 惘惘.
Safe Light
FILM TRAY
15 W
1/25 M
Safe Light
Humidity & Temperature
≒悋愕惡 惘愀惡惠
 HUMIDITY> 60% FILM FOG
 HUMIDITY<40% STATIC ARTIFACTS
≒悋愕惡 忰惘悋惘惠 惆惘悴
 18  20 Centigrade
Film Storage
 Clean, dry location
 40  60 % Humidity 70 尊 Fahrenheit
 Away from chemical fumes
 Safe from radiation exposure
 Standing on edge
 Expiration date clearly visible
Film ID Printer
Name of patient place on top
Cassette is flashed with
name  can be done before
or after image is taken
Must be done BEFORE
PROCESSING
FILM
Screen Cleaner愆惆  惠惶 悋 惠悋惘擧悽悋 惆惘  惡 擧惆 惠愆惆惆 惶忰悋惠 悋 惠 惡惘惘惘愕.
 Water
 Anionic Surfactant
 Phosphoric acid
Screen Cleaner

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