▁greater ▁popular ity . ▁ ▁A PS ▁cam eras ▁found ▁most ▁of ▁their ▁success ▁among ▁the ▁consumer ▁point ▁and ▁shoot ▁camera ▁market , ▁ ▁but ▁this ▁was ▁too ▁little ▁too ▁late : ▁within ▁five ▁years ▁of ▁the ▁format ' s ▁launch , ▁sales ▁had ▁dropped ▁significantly . ▁This ▁was ▁mainly ▁due ▁to ▁the ▁increasing ▁quality ▁and ▁falling ▁prices ▁of ▁digital ▁cam eras . ▁ ▁In ▁January ▁ 2 0 0 4 , ▁K od ak ▁announced ▁it ▁was ▁ce asing ▁A PS ▁camera ▁production . ▁ ▁Both ▁Fu ji ▁and ▁K od ak , ▁the ▁last ▁two ▁manufact ur ers ▁of ▁A PS ▁film , ▁dis cont in ued ▁production ▁in ▁ 2 0 1 1 . ▁ ▁See ▁also ▁▁▁ ▁Category : ▁Film ▁formats ▁ ▁Film ▁format ▁ ▁List ▁of ▁color ▁film ▁systems ▁ ▁List ▁of ▁film ▁formats ▁ ▁Pan or am ic ▁phot ography ▁ ▁References ▁ ▁External ▁links ▁▁ ▁Re views ▁and ▁comments ▁on ▁A PS ▁ ▁Ph otos ▁of ▁dis ass emble d ▁A PS ▁c ass ette ▁and ▁El ph / I x us ▁camera ▁ ▁Category : Fil m ▁formats ▁Category : A udi ovis ual ▁introdu ctions ▁in ▁ 1 9 9 6 <0x0A> </s> ▁In ▁sem icon duct or ▁physics , ▁the ▁Hay nes – S ho ck ley ▁experiment ▁was ▁an ▁experiment ▁that ▁demonstrated ▁that ▁diffusion ▁of ▁minor ity ▁carri ers ▁in ▁a ▁sem icon duct or ▁could ▁result ▁in ▁a ▁current . ▁ ▁The ▁experiment ▁was ▁reported ▁in ▁a ▁short ▁paper ▁by ▁Hay