Auto positive film

Japanese: オートポジフィルム - おーとぽじふぃるむ
Auto positive film

...(6) Others There are diffusion transfer instant films (instant photography) for general photography, industrial, medical, scientific, etc., which produce photographic images on the spot. In addition, there are autopositive films (direct reversal films) that produce the same image (positive image) as the original with one development, and thermal development (dry development) type (diazo type) films that can be developed simply by heating after exposure. Color Film [Masuda Takao]
[Photo Film Industry]
Because the production of photographic film requires advanced technology and huge capital investment, in Japan it is dominated by two companies, Fuji Photo Film and Konishiroku Photo Industry (now Konica), while globally, Eastman Kodak of the United States holds about 70% of the world market, and if this company is added to Agfa-Gevaert, a joint venture between the two Japanese companies and Germany and Belgium, it has a share of over 95%.

*Some of the terminology that refers to "autopositive film" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…(6)その他 一般撮影用,工業用,医療用,科学用などに,写したその場で写真画像が得られる拡散転写方式のインスタントフィルム(インスタントフォトグラフィー)がある。さらに,1回の現像で原画と同じ画像(ポジ像)が得られるオートポジフィルム(直接反転フィルム)や,露光した後は加熱するだけで現像できる熱現像(乾式現像)タイプ(ジアゾタイプ)のフィルムもある。カラーフィルム【益田 隆夫】
[写真フィルム工業]
 写真フィルム生産には高度な技術力を要するうえに,巨額の設備投資が必要とされるため,日本では富士写真フイルムと小西六写真工業(現,コニカ)2社の寡占状態となっており,世界的に見てもアメリカのイーストマン・コダック社が世界市場の70%程度をおさえ,同社に日本の2社とドイツ,ベルギーの合弁のアグファ・ゲバルト社を入れると95%以上のシェアとなる。…

※「オートポジフィルム」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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