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JAIST Repository: 迂回的イノベーションプロセスモデルの提案 : フラッシュメモリと液晶のケース

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JAIST Repository

https://dspace.jaist.ac.jp/ Title 迂回的イノベーションプロセスモデルの提案 : フラッ シュメモリと液晶のケース Author(s) 若林, 秀樹 Citation 年次学術大会講演要旨集, 34: 397-402 Issue Date 2019-10-26

Type Conference Paper Text version publisher

URL http://hdl.handle.net/10119/16573

Rights

本著作物は研究・イノベーション学会の許可のもとに 掲載するものです。This material is posted here with permission of the Japan Society for Research Policy and Innovation Management.

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㸰㹀㸮㸴 ㎽ᅇⓗ࢖ࣀ࣮࣋ࢩࣙࣥࣉࣟࢭࢫࣔࢹࣝࡢᥦ᱌

ࠥࣇࣛࢵࢩ࣓ࣗࣔࣜ࡜ᾮᬗࡢࢣ࣮ࢫ



ⱝᯘ⚽ᶞ ᮾி⌮⛉኱Ꮫ⤒ႠᏛ◊✲⛉ᢏ⾡⤒Ⴀᑓᨷ  ZDNDED\DVKLKLGHNL#UVWXVDFMS  ࡣࡌࡵ࡟

᪥ᮏࡢ㟁ᶵ⏘ᴗࡣࠊ80ࠥ90 ᖺ௦࡟ࠊNAND ᆺࣇࣛࢵࢩ࣓ࣗࣔࣜ(Not AND ᆺᅇ㊰ࡢ୙᥹Ⓨᆺ

EEPROM)ࡸ TFT(Thin Film Transistor)ᆺᾮᬗࢹ࢕ࢫࣉࣞ࢖➼ࠊከࡃࡢ࢖ࣀ࣮࣋ࢩࣙࣥࢆ⏕ࡳ࡞ࡀࡽࠊ

ᴗ⦼ࡣཝࡋࡃࠊᮾⰪࡣࠊNAND ᆺࣇࣛࢵࢩ࣓ࣗࣔࣜ㒊㛛ࢆษࡾ㞳ࡋࠊ࠿ࡘ࡚ᾮᬗࢹ࢕ࢫࣉࣞ࢖ࡢ㞝࡛࠶ ࡗࡓࢩ࣮ࣕࣉࡣࠊ㬨ᾏചୗ࡜࡞ࡗࡓࠋࢪࣕࣃࣥࢹ࢕ࢫࣉࣞ࢖♫ࡶཝࡋ࠸᝟ໃࡔࠋ ࡉࡽ࡟ࠊ㟁ᶵ⏘ᴗࡔࡅ࡛࡞ࡃࠊ2000 ᖺ௨㝆ࡣࠊ᪥ᮏ࡟࠾࠸࡚ࠊᮏ᮶ᚓព࡛࠶ࡗࡓࣁ࣮ࢻ࢙࢘࢔ࡸࢹ ࣂ࢖ࢫ࡟࠾࠸࡚ࡶࠊ࢖ࣀ࣮࣋ࢩࣙࣥࡀ⏕ࡲࢀ࡚࠸ࡿ࡜ࡣゝ࠸㞴࠸ࠋ ࡑࡇ࡛ࠊ㐣ཤࡢNAND ᆺࣇࣛࢵࢩ࣓ࣗࣔࣜ(௨ୗࠊNAND)ࡸᾮᬗࢹ࢕ࢫࣉࣞ࢖(௨ୗࠊᾮᬗ)➼ࡢ᪥ᮏ ࡀඛᑟࡋࡓ࢖ࣀ࣮࣋ࢩࣙࣥࡢࣉࣟࢭࢫࢆ᣺ࡾ㏉ࡿࡇ࡜ࡣ᭷ព⩏࡛࠶ࢁ࠺ࠋNAND ࡛ࡣࠊ࣐ࢫࢥ࣑➼ࡀ᭩ ࠸࡚࠸ࡿNAND Ⓨ᫂⪅ࡢ⯖ᒸẶࡢᝒ๻ࡢࢫࢺ࣮ࣜ[1] ࡸࠊ஦ᴗ㞳㝣᫬ࡢ࢖ࣀ࣮࣋ࢩࣙࣥࡢㄆ㆑࡟ࡘ࠸࡚ ࡣࠊᙜ᫬ࡢከࡃࡢ㛵ಀ⪅ࡀ㐪࿴ឤࢆᣢࡗ࡚࠸ࡿࠋ ࢖ࣀ࣮࣋ࢩࣙࣥࣉࣟࢭࢫ࡟ࡘ࠸࡚ࡣࠊMOT ࡢ୺せ࡞ヰ㢟ࡔࡗࡓࡀࠊ᭱㏆ࡸࡸሗ࿌ࡀᑡ࡞࠸ࡼ࠺ࡔࠋ ┤㏆ࠊᕷሙࡀᛴᣑ኱ࡋࡓࢹࣂ࢖ࢫࡢࢣ࣮ࢫ࡟ࡘ࠸࡚ࡣࠊሗ࿌౛ࡀᑡ࡞ࡃࠊ⪃ᐹࡍࡿࡇ࡜ࡣព⩏ࡀ࠶ࢁ࠺ࠋ  ඛ⾜◊✲  ࢖ࣀ࣮࣋ࢩࣙࣥࣉࣟࢭࢫ࡟ࡘ࠸࡚ࡣࠊࣜࢽ࢔ࣔࢹࣝࡀሗ࿌ࡉࢀࠊ୰ኸ◊✲ᡤࡢࣔࢹࣝ࡜࡞ࡗࡓࠋ㹙2㹛 ࡑࡢᚋࠊ1984 ᖺ࡟ࠊࢡࣛ࢖ࣥ࡟ࡼࡾࠊࣀࣥࣜࢽ࢔ࣔࢹࣝࠊ㐃㙐ࣔࢹࣝࡀᥦ᱌ࡉࢀࡓࠋ㹙3㹛㏆ᖺࠊ࢖ࣀ ࣮࣋ࢩࣙࣥࣉࣟࢭࢫ࡟ࡘ࠸࡚ࡣࠊࣜࢽ࢔ࣔࢹࣝࡀぢ┤ࡉࢀࠊ୰ኸ◊✲ᡤࡢ෌⦅ࡸྰᐃㄽࡶከ࠸ࠋࡲࡓࠊ டᒸ࡟ࡼࡿࠊࢫࣃ࢖ࣛࣝࣔࢹࣝ(࣮࣡ࣉࣟࡢ஦౛)ࡸࠊ㏆ᖺ࡛ࡣࠊࢯࣇࢺ࢙࢘࢔ࢆ୰ᚰ࡟ࠊ࢔ࢪࣕ࢖ࣝ㛤 Ⓨࣔࢹࣝࡶᥦ᱌ࡉࢀ࡚࠸ࡿࠋ㹙4㹛ࡋ࠿ࡋ࡞ࡀࡽࠊ᪥ᮏࡀ୺ᑟࡋ࡚ᕧ኱ᕷሙ࡜࡞ࡗࡓ NAND ࡸᾮᬗࡢࢣ ࣮ࢫ࡟ࡘ࠸࡚ࡣࠊ࢖ࣀ࣮࣋ࢩࣙࣥࣉࣟࢭࢫࡢሗ࿌ࡣࡲࡔᑡ࡞࠸ࠋ  ࣇࣛࢵࢩ࣓ࣗࣔࣜᕷሙつᶍ ➹⪅ࡣࠊࣇࣛࢵࢩ࣓ࣗࣔࣜ࡟㛵ࡋࠊ89 ᖺ࡟ᮾⰪࡢᙜ᫬ࡢ๪♫㛗ࠊ⥲ྜ◊✲ᡤࡸ஦ᴗ㒊ࡢࢺࢵࣉࡸ⯖ᒸ Ặ࡜ᩘ᫬㛫ࡢྲྀᮦࡸ㆟ㄽࢆఱᗘࡶ⧞ࡾ㏉ࡋࠊ࢖ࣥࢸࣝ➼ࠊᴗ⏺ࡢከࡃࡢ㛵ಀ⪅࡜㠃ㄯࡋࠊ㆟ㄽࢆࡋࡓࠋ 89 ᖺᙜ᫬ࡣࠊᕷሙࡲࡔࢮࣟࡔࡗࡓࣇࣛࢵࢩ࣓ࣗࣔࣜ࡟㛵ࡋ࡚ࠊࠕࣇࣛࢵࢩ࣓ࣗࣔࣜᕷሙࡣ 95 ᖺ࡟ 3000 ൨෇(NOR ୰ᚰ)ࠊ2000 ᖺ࡟ 1 ඙෇ࠖ࡜ࡢ࣏࣮ࣞࢺࢆᇳ➹ࡋࡓࠋࡑࡢᚋࡶࠊ90 ᖺ௦࠿ࡽ 2000 ᖺึ㢌ࡲ ࡛ࠊ⥅⥆ⓗ࡟ᕷሙືྥࢆࣇ࢛࣮ࣟࠊᮾⰪࡢṔ௦࣓ࣔࣜ஦ᴗࢺࢵࣉࢆࡣࡌࡵࠊከࡃࡢ㛵ಀ⪅࡜㆟ㄽࢆ⥆ࡅࠊ 㒔ᗘࠊ࣏࣮ࣞࢺࢆ᭩ࡁࠊ⯖ᒸẶࡢⴭ᭩࡟ࡶᘬ⏝ࡉࢀࡓࠋ㹙5㹛㹙6㹛㹙7㹛㹙8㹛 ᐇ㝿ࠊࣇࣛࢵࢩ࣓ࣗࣔࣜᕷሙࡣࠊண᝿㏻ࡾ1995 ᖺ࡟ 2000 ൨෇ࠊ2000 ᖺ࡟ 1 ඙෇ࢆ㉸࠼ࡓࠋ ᅗ⾲㸯 ᙜ᫬ࡢᕷሙつᶍண ࡜⤖ᯝ ฟᡤ ㈈⏺ほ 1989 ࡜ WSTS ࡼࡾⱝᯘ⚽ᶞ 2019

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2B06.pdf :2 ࣇࣛࢵࢩ࣓ࣗࣔࣜᕷሙࡣࠊࡑࡢᚋࡶᣑ኱ࠊ2017 ᖺ࡟ࡣ 5 ඙෇つᶍ࡜࡞ࡗࡓࠋᮾⰪ࡟࠾࠸࡚ࡣࠊNAND ୰ᚰࡔࡀࠊ2017 ᖺᗘ࡟ࠋࡣ 1 ඙෇ࢆ㉸࠼ࡿ኎ୖつᶍ࡜࡞ࡾࠊ඲♫฼┈ࡢ኱༙ࢆ༨ࡵࡿࡲ࡛࡟⮳ࡗࡓࠋ㹙9㹛 ᅗ⾲㸰 ᮾⰪNAND ኎ୖ᥎⛣࡜⤒⦋ ฟᡤ㸸ⱝᯘ⚽ᶞ NAND ࡢᕷሙࡣࠊ⌧ᅾࠊࢫ࣐࣍࡜ࠊࢹ࣮ࢱࢭࣥࢱ࣮ࡀ୰ᚰࡔࡀࠊࡇࢀࡣࠊᙜึ࠿ࡽண ࡉࢀ࡚࠸ࡓࢃ ࡅ࡛ࡣ࡞࠸ࠋ80 ᖺ௦ᚋ༙ࡢࣀ࣮ࢺ PC ࡟௦⾲ࡉࢀࡿᦠᖏ᝟ሗᶵჾᕷሙ㞳㝣ࡢ୰ࠊ☢Ẽࢹ࢕ࢫࢡ࡛ࡣࠊ⪏ ஂᛶ➼࡛ၥ㢟ࡀ࠶ࡾࠊ༙ᑟయ࡟ࡼࡿ୙᥹Ⓨ࡞ࢫࢺ࣮ࣞࢪ࣓ࣔࣜࡢᚲせᛶࡣࠊᾮᬗ➼FPDࠊ㟁ụ࡜ඹ࡟ࠊ ┒ࡾୖࡀࡗ࡚࠸ࡓࠋ ࡑ࠺࠸࠺⫼ᬒࡢୗࠊ࣓ࣔࣜࡢ㝵ᒙᵓ㐀ࡢ୰࡛ࠊHDD ࡸ FDD ➼ࡢ☢Ẽࢹ࢕ࢫࢡࠊ☢Ẽࢸ࣮ࣉࢆ௦᭰ࡍ ࡿపࢥࢫࢺࡢ୙᥹Ⓨ࣓ࣔࣜࡢ㛤Ⓨࡀ㐍ࡵࡽࢀ࡚࠸ࡓࠋ㹙10㹛㹙11㹛 㸲 1$1' ࡢ࢖ࣀ࣮࣋ࢩࣙࣥࡢ㐣⛬ࡣ  ẁ㝵 ࠶ࡽࡓࡵ࡚ࠊNAND ࡢ࢖ࣀ࣮࣋ࢩࣙࣥࢆ᣺ࡾ㏉ࡗ࡚ࡳࡿ࡜ࠊୗグࡢ 5 ẁ㝵ࡔࢁ࠺ࠋ ᅗ⾲㸱 1$1' ࡢ࢖ࣀ࣮࣋ࢩࣙࣥࣉࣟࢭࢫ㸦ฟᡤ㸸➹⪅ 㸧

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➨1 ẁ㝵ࡣࠊ⯖ᒸẶ➼࡟ࡼࡿึᮇࡢ NAND ࢭࣝࡢ㛤Ⓨࢫࢺ࣮࡛ࣜ࠶ࡾࠊ᪤࡟ከࡃㄒࡽࢀ࡚࠸ࡿ࡜ࡇ ࢁࡔࠋࡋ࠿ࡋࠊࡇࢀ࡛ࡣࠊタィࡶࣉࣟࢭࢫࡶၥ㢟ࡀ࠶ࡗࡓࠋࡲࡓࠊᕷሙࡣࢥࣥࣆ࣮ࣗࢱࡢእ㒊グ᠈⨨᥮ ࠼࡟ᣊࡗ࡚࠸ࡓࠋ ➨2 ẁ㝵ࡣࠊ୍⯡ⓗ࡟ࡣࠊㄒࡽࢀ࡚࠸࡞࠸ࡀࠊࢩࣜ࢔ࣝ࢖ࣥࢱ࣮ࣇ࢙࣮ࢫ࡬ࡢ㌿᥮࡜࢚࣮ࣛゞṇ࡞࡝ HDD ྠᵝ࡟ࠊࢩࢫࢸ࣒ⓗ࢔ࣉ࣮ࣟࢳ࡬ࡢ㌿᥮ࡔࠋ ➨3 ẁ㝵ࡀࠊ90 ᖺ௦༙ࡤ࡛ࡢ SSFDC ࣇ࢛࣮࣒࡛ࣛࡢᶆ‽໬ࠊ࢖ࣥࢱ࣮ࣇ࢙࣮ࢫࡸࢫ࣌ࢵࢡࡢྲྀࡾỴ ࡵࠊ㞳㝣ࡋࡘࡘ࠶ࡗࡓከᵝ࡛ᑠࡉ࠿ࡗࡓࢹࢪࢱࣝᐙ㟁ྥࡅࡢᛂ⏝㛤Ⓨ࡛࠶ࡿࠋ ➨4 ẁ㝵ࡀࠊ90 ᖺ௦ᚋ༙ࡢྛ✀ࣇࣛࢵࢩࣗࡢᡓ࠸ࠊ≉࡟ࠊከ್ NOR ࡜ NAND ࡢᡓ࠸ࡔࡗࡓࠋỴᐃ ⓗࡔࡗࡓࡢࡣࠊᮾⰪ࡜ࢧࣥࢹ࢕ࢫࢡ(⌧ᅾࡣ WD)ࡢᥦᦠ࡛࠶ࡾࠊNAND ࡶከ್࡜࡞ࡗࡓࠋ ➨5 ẁ㝵ࡀࠊ2000 ᖺ௨㝆ࠊከ್ NAND ࡀ࣓࢖ࣥ࡜࡞ࡾᕷሙࡀ኱ࡁࡃᣑ኱ࡋ࡚࠿ࡽࡢࠊࢧ࣒ࢫࣥࠊᮾ Ⱚ-WD ࡞࡝ࡢ⌧ᅾࡢẁ㝵ࡔࢁ࠺ࠋ ࡑࡋ࡚ࠊ2010 ᖺ㡭࠿ࡽࠊከ್ࡣ 3 ್࠿ࡽ 4 ್ࠊᵓ㐀ࡣ 3D ࡀ୺ὶ࡜࡞ࡾࠊᕷሙࡶࢫ࣐࣍࠿ࡽࠊࢹ࣮ ࢱࢭࣥࢱ࣮࡬ࢩࣇࢺࡋ࡚࠸ࡿࠋ NAND ࡢᛂ⏝ࡣࠊ᭱ึࠊࢥࣥࣆ࣮ࣗࢱࡢእ㒊グ᠈࡛ࡢ☢Ẽࢹ࢕ࢫࢡࡢ⨨᥮࠼ࡔࡗࡓࡀࠊண᝿௨ୖ࡟ࠊ ☢Ẽࡢᢏ⾡ࡀ㐍Ṍࠊ㞴ࡋ࠿ࡗࡓࠋࡑࡇ࡛ࠊᛂ⏝ศ㔝ࢆᶍ⣴ࠊࡑࢀࡀࢹࢪࢱࣝᐙ㟁ࡸࠊᙜึணᮇࡏࡠࢫ࣐ ࣍➼࡟ᗈࡀࡗࡓࠋ ࡑࡢᚋࠊ༑ศ࡟ࢥࢫࢺࡶୗࡀࡾࠊ㎽ᅇࡋࠊࠕึᚿ㈏ᚭࠖࡢࢥࣥࣆ࣮ࣗࢱࡢእ㒊グ᠈ᕷሙ(ࡼࡾᕧ኱࡜࡞ ࡗࡓࢹ࣮ࢱࢭࣥࢱ࣮)࡟฿㐩ࡋࡓࡢ࡛࠶ࡿࠋ ࡲࡓࠊୖグࡢ➨3 ẁ㝵࡛ࡣ࣮ࣘࢨ࣮࡜༠๰࡟ࡼࡿᶆ‽໬ࡢືࡁࠊ➨ 4 ẁ㝵࡛ࡣࠊࣛ࢖ࣂࣝࡔࡗࡓࢧࣥ ࢹ࢕ࢫࢡ࡜ࡢ㐃ᦠ࡞࡝࣮࢜ࣉࣥ࢖ࣀ࣮࣋ࢩࣙࣥࡶ࠶ࡗࡓࡇ࡜ࡣὀ┠ࡉࢀࡿࠋ 㸳7)7 ᾮᬗࢹ࢕ࢫࣉࣞ࢖ࡢࢣ࣮ࢫ ࡇࡢ㎽ᅇࡋ࡚ࠊึᮇࡢࢱ࣮ࢤࢵࢺᕷሙ࡟฿㐩ࡍࡿ࡜࠸࠺ࣃࢱ࣮ࣥࡣࠊNAND ࡔࡅ࡛ࡣ࡞࠸ࠋ ྠᵝࡢ㐣⛬ࢆ⤒࡚ࠊᕧ኱ᕷሙ࡜࡞ࡗࡓࡢࡀࠊTFT ᆺᾮᬗࢹ࢕ࢫࣉࣞ࢖(௨ୗࠊTFT)࡛࠶ࡿࠋ➹⪅ࡣࠊ89 ᖺ࡟ࠊᙜ᫬2000 ൨෇つᶍࡢᾮᬗࢹ࢕ࢫࣉࣞ࢖ࡀࠊTFT ᆺ࡛ᛴᡂ㛗ࠊ1995 ᖺ 1 ඙෇ࠊ2000 ᖺ࡟ 2 ඙෇ ࡜࠸࠺ᕷሙண ࢆ⾜ࡗࡓࠋᐇ㝿࡟1 ඙෇ࢆ㉸࠼ࡓࡢࡣ 97 ᖺ㡭࡛࠶ࡗࡓࡀࠊ⌧ᅾࡣࠊ10 ඙෇ࢆ㉸࠼ࡿつ ᶍ࡛࠶ࡿࠋ㹙12㹛㹙13㹛 ᅗ⾲  ᾮᬗࢹ࢕ࢫࣉࣞ࢖ᕷሙண  ฟᡤ㸸ⱝᯘ⚽ᶞ 

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2B06.pdf :4 ᙜึࡣࠊ௚ࡢࢹ࢕ࢫࣉࣞ࢖ᢏ⾡࡜ྠᵝࠊቨ᥃ࡅTV ࡀࢱ࣮ࢤࢵࢺ࡛࠶ࡾࠊࣈࣛ࢘ࣥ⟶ࡢ௦᭰ࢆ≺ࡗࡓ ࡀࠊ⏬㉁࡛ࡶࢥࢫࢺ࡛ࡶࠊཝࡋ࠿ࡗࡓࠋ ࡑࡇ࡛ࠊࡲࡎࠊࣈࣛ࢘ࣥ⟶࡛ࡣ㞴ࡋ࠸ᑠᆺ࡛⏬㉁ࡣ⦆࠸ศ㔝ࡢࣃࢳࣥࢥྥࡅ࡛ᡂຌࡋࠊࡇࢀࡀ㣕㌍ࡢ ཎᅉ࡜࡞ࡗࡓࠋࡍ࡞ࢃࡕࠊᙜ᫬ࡣࠊࣈࣛ࢘ࣥ⟶ࡣ14-20 ᆺ࡛ࡣࠊࢥࢫࢺࡣᅽಽⓗ࡟Ᏻ࠿ࡗࡓࡀࠊ5 ᆺ௨ ୗ࡜ 40 ᆺ௨ୖࡣࠊ㞴ࡋ࠸ࡓࡵࠊࡇࡇ࡟ࠊᾮᬗࡢࢳࣕࣥࢫࡀ࠶ࡗࡓࡢ࡛࠶ࡿࠋࡑࡢᚋࠊࣅ࣮࣮ࣗ࣡ࠊ㌴ ㍕ࠊFA ⏝➼ࡢᑠࡉ࠸ᵝࠎ࡞ࢹ࢕ࢫࣉࣞ࢖ྥࡅᛂ⏝ࢆ⤒࡚ࠊࣀ࣮ࢺ PC ࡀ㞳㝣ࡋࡓࡢࡀ 95 ᖺ௨㝆࡛࠶ࡿࠋ PC ྥࡅ࡛ࡣࠊࣈࣛ࢘ࣥ⟶࡜ࡢࢥࢫࢺẚ㍑࡛ࠊ5 ಸࢆษࡿ㡭࠿ࡽࠊᛴ㏿࡟ࠊTFT ࡀࣈࣛ࢘ࣥ⟶ᑐẚ࡛ࢩ ࢙࢔ࢆୖࡆ࡚࠸ࡗࡓࠋ ᅗ⾲㸳 ᾮᬗࢹ࢕ࢫࣉࣞ࢖ᕷሙண ࡜ࢧ࢖ࢬูࢥࢫࢺ┦ᑐࢥࢫࢺ࡜┦ᑐࢩ࢙࢔ ฟᡤ㸸ⱝᯘ⚽ᶞ  ࡇࡢ㐣⛬࡛ࡣࠊPDP ࡸࠊSEDࠊᾮᬗࡢ୰࡛ࡶࠊFLC(ᙉㄏ㟁)➼ᵝࠎ࡞ࣛ࢖ࣂࣝࡀⓏሙࡋࡓࠋࡑࡋ࡚ࠊ ࣔࢽࢱᕷሙࡸࠊணᮇࡏࡠࢫ࣐࣍࡜࠸࠺ᕧ኱ᕷሙࡀ㞳㝣ࡋࡓࡢ࡛࠶ࡿࠋ⌧ᅾࡣᙜึ᝿ᐃࡋ࡚࠸ࡓ 40 ᆺࢆ ኱ࡁࡃ㉸࠼ࡿ100 ᆺࡶྵࡵࡓ 4K8K ࡢ TV ᕷሙࡀ㞳㝣ࡋ࡚ࡁ࡚࠸ࡿࠋࡇࡢᕷሙᣑ኱ࡢࣉࣟࢭࢫࡣୗグࡢ ࡼ࠺࡟㎽ᅇⓗ࡛࠶ࡿࠋ ᅗ⾲㸴 TFT ᾮᬗࢹ࢕ࢫࣉࣞ࢖ࡢ࢖ࣀ࣮࣋ࢩࣙࣥࣉࣟࢭࢫ(ฟᡤ㸸➹⪅ 2018)

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㸴㸬ࢹࣂ࢖ࢫࡢ࢖ࣀ࣮࣋ࢩࣙࣥࣉࣟࢭࢫࣔࢹࣝࡢᥦ᱌  ࡇࡢ90 ᖺ௦࡟Ⓩሙࡋࡓ NAND ࡜ TFT ࡢࢣ࣮ࢫ࠿ࡽࠊ௨ୗࡢࡼ࠺࡟ࠊඹ㏻ࡢ࢖ࣀ࣮࣋ࢩࣙࣥࣉࣟࢭ ࢫ࡛࠶ࡿࡇ࡜ࡀࢃ࠿ࡿࠋ ᅗ⾲㸵 ᪂࢖ࣀ࣮࣋ࢩࣙࣥࣉࣟࢭࢫࣃࢱ࣮ࣥ㸦ฟᡤ㸸➹⪅2019㸧  ➨୍ẁ㝵࡜ࡋ࡚ࠊఱ➼࠿ࡢᢏ⾡࣓ࣜࢵࢺ(ᑠᆺ㍍㔞ࠊᛶ⬟ྥୖ࡞࡝)࡟ࡼࡿࠊ⌧᭷ࡢᕧ኱ᕷሙ(NAND ࡛ ࡣእ㒊グ᠈ࠊTFT ࡛ࡣቨ᥃ࡅ TV)ࡢ௦᭰ࢆ≺࠺ࡀࠊ⌧᭷ࡢᢏ⾡(NAND ࡛ࡣ HDDࠊᾮᬗ࡛ࡣࣈࣛ࢘ࣥ ⟶)ࡢࢥࢫࢺᕪࡀ኱ࡁࡃࠊቨ࡟ᙜࡓࡿࠋࡇࡇ࡛ࠊ⤊ࢃࢀࡤࠊࠕṚࡢ㇂ࠖ࡜࡞ࡿࠋ ➨஧ẁ㝵࡜ࡋ࡚ࠊࡑࡢᢏ⾡࡞ࡽ࡛ࡣࡢࢽࢵࢳ࡞ᕷሙࡀⓏሙࡍࡿࠋNAND ࡛ࡣࠊᑠᆺᶵჾࠊTFT ࡛ࡣ ࣃࢳࣥࢥ➼࡛࠶ࡿࠋ ࣮ࣘࢨ࣮ࡣࠊࢥࢫࢺࡀ㧗࠸➼ࡢ㞴Ⅼࡀ࠶ࡗ࡚ࡶࠊᢏ⾡࣓ࣜࢵࢺࢆ㔜どࡍࡿഴྥࡀᙉ࠸ࠋ௚᪉ࠊከᵝ࡞ ᨵⰋᢏ⾡ࡶฟ࡚ࡃࡿࠋNAND ࡛ࡣ࢖ࣥࢱ࣮ࣇ࢙࣮ࢫᢏ⾡ࠊᾮᬗ࡛ࡣࢻࣛ࢖ࣂ࣮㥑ືࡸ⏬⣲▷⤡ᢏ⾡࡞࡝ ࡛࠶ࡿࠋ ➨୕ẁ㝵࡛ࡣࠊࡑࡢࢹࣂ࢖ࢫᢏ⾡ࡢ୰࡛Ⰽࠎ࡞࢝ࢸࢦ࣮ࣜࡢᢏ⾡ࡀⓏሙࡍࡿࠋࣇࣛࢵࢩ࡛ࣗࡣ NOR ᆺࡸAND ᆺ➼ࠊᾮᬗ࡛ࡣᙉㄏ㟁࡞࡝ࡔࠋ ࡲࡓࠊࡇࡇ࡛ࠊᶆ‽໬த࠸ࡶ㉳ࡁࠊࡉࡽ࡟ࠊ࣮ࣘࢨ࣮࡜ࡢඹ๰ࡶ㐍ࡴࠋࡇࡇ࡛ࠊ⤊ࢃࢀࡤࠕࢲ࣮࢘࢕ ࣥࡢᾏ࡛ࠖ࠶ࡿࠋ ➨ᅄẁ㝵࡛ࡣࠊ⏬ᮇⓗ࡞ࢥࢫࢺࢲ࢘ࣥࡢᢏ⾡࠿ᛶ⬟ྥୖࡢᢏ⾡ࡀⓏሙࡍࡿࠋNAND ࡛ࡣࠊከ್໬ࠊ TFT ࡛ࡣ IPS ➼ࡔࢁ࠺ࠋࡇࢀ࡟ࡼࡾࠊᕧ኱࡞᪂ᛂ⏝ᕷሙ࡟㐺⏝࡛ࡁࡿࠋ  ➨஬ẁ㝵࡜ࡋ࡚ࠊࡇࡢ➨ᅄẁ㝵ࡢࢥࢫࢺࢲ࢘ࣥࡸᶆ‽໬➼࡟ࡼࡾࠊᙜึ≺ࡗ࡚࠸ࡓᕧ኱ᕷሙ࡟ᅇᖐࡍ ࡿࠋࡋ࠿ࡶࠊࡑࢀࡣࠊᙜึࡼࡾࡶᕧ኱࡟࡞ࡗ࡚࠸ࡿࠋNAND ࡛ࡣࢹ࣮ࢱࢭࣥࢱ࣮ࠊTFT ࡛ࡣ 60 ᆺ௨ୖ ࡢTV ࡛࠶ࡿࠋ  ࡇࡢ㎽ᅇࣉࣟࢭࢫࢆ୍࿘ࡍࡿࡢ࡟ࠊNAND ࡶ TFT ࡶࠊ⣙ 20 ᖺࢆ⤒࡚࠸ࡿⅬࡶ⯆࿡῝࠸ࠋ ࡇࢀࡲ࡛ࡢ࢖ࣀ࣮࣋ࢩࣙࣥࣉࣟࢭࢫㄽ࡛ࡣࠊࣜࢽ࢔ࣔࢹࣝࡢᨵⰋࡢ୰࡛ࠊ୍ࡘࡢ㍈(ࡇࡇ࡛ࡣᆶ┤᪉ྥ) ࡔࡅࡢ㆟ㄽ࡛ࠊṚࡢ㇂ࠊࢲ࣮࢘࢕ࣥࡢᾏࠊࡀㄽࡌࡽࢀ࡚࠸ࡿࡀࠊᐇ㝿ࡣࠊ஧ࡘࡢ㍈࡛⪃ᐹࡋࡓ᪉ࡀᐇែ ࢆᤊ࠼࡚࠸ࡿࠋ  ࡇ࠺ࡋࡓ஧ḟඖࡢ࢖ࣀ࣮࣋ࢩࣙࣥࣉࣟࢭࢫ࡛ࠊ㎽ᅇⓗ࡟⪃࠼ࡿࡇ࡜࡛ࠊቨ࡟ࡪࡕᙜࡓࡗ࡚࠸ࡿᢏ⾡ࢆ ࣈ࣮ࣞࢡࢫ࣮ࣝࡉࡏࡿࣄࣥࢺ࡟࡞ࡾࠊ୍ඖ࡛ㄽࡌࡽࢀ࡚ࡁࡓ࢖ࣀ࣮࣋ࢩࣙࣥࣉࣟࢭࢫㄽ࡟᪂ࡓ࡞♧၀ࢆ ୚࠼ࡿࠋࡲࡓࠊ⛉Ꮫᢏ⾡ᨻ⟇ⓗ࠶ࡿ࠸ࡣᡓ␎ⓗ࡟ࡣࠊᙜึࡢィ⏬࡟ᣊἾࡏࡎࠊ᪂ࢽࢵࢳᕷሙࢆ᥈⣴ࡉࡏࠊ ྠ᫬࡟ࠊࢥࢫࢺࢲ࢘ࣥࡶ⥅⥆ࡍࡿ୧㠃సᡓࡀ㔜せࡔࠋ ⌧ᅾࠊὀ┠ࡢ஧ḟ㟁ụ࡛ࡶࠊᙜึࠊᛂ⏝ࢆ≺ࡗ࡚࠸ࡓPC ࠿ࡽࠊࢣ࣮ࢱ࢖࡛኱ࡁࡃᣑ኱ࠊࣜࢳ࣒࢘࢖ ࢜ࣥ㟁ụࡀ୰ᚰ࡜࡞ࡾࠊ⌧ᅾࡣEV ࡜࠸࠺ࣃࢱ࣮࡛ࣥࡣࠊྠᵝ࠿ࡶࡋࢀ࡞࠸ࠋ90 ᖺ௦ᚋ༙࡟㞳㝣ࡋࡓࡀࠊ ᕧ኱࡞ᕷሙ࡟ࡣ⮳ࡽ࡞࠿ࡗࡓ PDP ࡛ࡣࠊࡇࡢࡼ࠺࡞㎽ᅇࣔࢹ࡛ࣝࡣ࡞ࡃࠊࡍ࡞ࢃࡕࠊձࡑࡇࡑࡇࡢࢽ ࢵࢳᕷሙࡀぢࡘ࠿ࡽࡎࠊղᾮᬗ࡞࡝ࣛ࢖ࣂࣝࡶ㐍໬ࠊճ࢚ࢥࢩࢫࢸ࣒ᙧᡂࡀ㞴ࡋ࠿ࡗࡓࠊࡢ࡛࠶ࡿࠋ

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2B06.pdf :6 ᅗ⾲㸶 ஧ḟ㟁ụࡢ࢖ࣀ࣮࣋ࢩࣙࣥࣉࣟࢭࢫࣔࢹࣝ ฟᡤ㸸ⱝᯘ⚽ᶞ  㸵㸬࠾ࢃࡾ࡟ ㏆ᖺࠊᕷሙࡀᛴᣑ኱ࡋࡓࣇࣛࢵࢩ࣓ࣗࣔࣜ࡟ࡘ࠸࡚ࠊ80 ᖺ௦ᮎࡢ㞳㝣ᮇ࠿ࡽࠊᢏ⾡ண ࣭ᕷሙண ࢆ ⾜࠸ࠊࡑࡢᚋࡶ⥅⥆ⓗ࡟ࡑࡢྍྰࢆ᳨ドࡋ࡚ࡁࡓ➹⪅ࡀࠊᙜ᫬ࡢ㛤Ⓨ⪅ࡸ஦ᴗ㈐௵⪅࡜ࡢ㆟ㄽࢆ㋃ࡲ࠼ࠊ ୗグࢆ᫂ࡽ࠿࡟ࡋࡓࠋ ձࡑࡢ࢖ࣀ࣮࣋ࢩࣙࣥࣉࣟࢭࢫࡀ㎽ᅇⓗ࡛ࠊ ղᙜึࡣHDD ⨨᥮࠼ࡔࡗࡓࡀࠊࡑࢀ௨እࡢ᝿ᐃࡋ࡚࠸࡞࠸᪂ᕷሙࡶ๰㐀ࠊ ճࡑࡢ୰࡛ࠊ࣮ࣘࢨ࣮ࡸࣛ࢖ࣂࣝ࡜ࡢ࣮࢜ࣉࣥ࢖ࣀ࣮࣋ࢩࣙࣥⓗ࡞㠃ࡶከ࠿ࡗࡓࠊ TFT ࡟㛵ࡋ࡚ࡶࠊྠᵝࡢ㎽ᅇⓗ࢖ࣀ࣮࣋ࢩࣙࣥࣉࣟࢭࢫ࡛࠶ࡾࠊᙜึࠊࣈࣛ࢘ࣥ⟶⨨᥮࠼ࢆ≺ࡗࡓࡀࠊ ࡸࡣࡾࠊ᪂ᕷሙࡶ๰㐀ࡋࡓࠋ ࡇࢀࡽࡢඹ㏻Ⅼ࠿ࡽ➹⪅ࡀぢฟࡋࡓࠊࠕ」ᩘẁ㝵࡛ࠖࠕ㎽ᅇࡋ࡚ࠖ㐍ࡴࠊ࡜࠸࠺࢖ࣀ࣮࣋ࢩࣙࣥࣉࣟ ࢭࢫࡣࠊ᪂ࡋ࠸ࠕ㎽ᅇᆺࣔࢹࣝࠖ࡜ࡋ࡚ᥦ♧࡛ࡁࡿࡔࢁ࠺ࠋ  ࡍ࡞ࢃࡕࠊ࢖ࣀ࣮࣋ࢱ࣮ࡣࠊ᭱ึࡣࠊ᪤Ꮡࢹࣂ࢖ࢫࡢ⨨᥮࠼࡛ࠊᕧ኱ᕷሙࢆዶ᝿ࡍࡿࡀࠊࡑࢀࡣከࡃ ࡢㄢ㢟ࡀ࠶ࡾࠊࡑࡢ୰࡛ࠊࡲࡎࡣࠊࡑࡢᢏ⾡࡛ྍ⬟࡞ูࡢᛂ⏝ࠊ࣮࢟ࣛ࢔ࣉࣜࢆぢฟࡋ࡚࠸ࡃࠋࡑࡢᚋ ࡛ࠊ᪂ᕷሙࡶ๰ฟࡋࡘࡘࠊᢏ⾡ࡢࢥࢫࢺࡶୗࡀࡾࠊ࢖ࣀ࣮࣋ࢱ࣮ࡣࠊᙜึ≺ࡗࡓᕷሙ࡟ᡠࡿࡀࠊࡑࢀࡣ ᙜึࡢண᝿௨ୖࡢᕧ኱ᕷሙ࡜࡞ࡿࠊ࡜࠸࠺ࠊ㎽ᅇࣉࣟࢭࢫࢆ⤒ࡿࡢ࡛ࡣ࡞࠸ࡔࢁ࠺࠿ࠋ ཧ⪃ᩥ⊩ [1] ‮அୖࣅࢬࢸࢵࢡࢪ࣮ࣕࢼࣝ2017 ➼https://biz-journal.jp/2017/12/post_21816.html [2] ⸨ᮎࠕᢏ⾡⤒Ⴀධ㛛ࠖ99 ᖺ ⏕⏘ᛶฟ∧ [3] S.J.ࢡࣛ࢖ࣥࠕ࢖ࣀ࣮࣋ࢩ࣭ࣙࣥࢫࢱ࢖ࣝࠖ92 ᖺ࢔ࢢࢿᢎ㢼♫ [4] ᖹ⃝ 2013 ◊✲㛤Ⓨࣉࣟࢢ࣒ࣛࡢタィ࡟࠾ࡅࡿᴫᛕᩚ⌮࡜ᐇົⓗ࢔ࣉ࣮ࣟࢳ http://www.mext.go.jp/component/a_menu/science/detail/__icsFiles/afieldfile/2014/03/17/1345169_02.pdf [5] ⱝᯘ ᪥⤒࣐࢖ࢡࣟࢹࣂ࢖ࢫ 91 ᖺ 5 ᭶ [6] ⱝᯘ ᪥⤒࢚ࣞࢡࢺࣟࢽࢡࢫ 2001 ᖺ 8 ᭶ ༙ᑟయ࣓ࣔࣜࡘ࠸࡟୺ᙺ஺௦ࡢ࡜ࡁ [7] ⱝᯘ ᪥⤒࢚ࣞࢡࢺࣟࢽࢡࢫ 2003 ᖺ 2 ᭶༙ᑟయ࣓ࣔࣜ:ࣇࣛࢵࢩࣗࡀ DRAM ࢆ㉸࠼ࡿ [8] ⯖ᒸࠕ㌍㐍ࡍࡿࣇࣛࢵࢩ࣓ࣗࣔࣜࠖ92 ᖺึ∧ ᕤᴗㄪᰝ఍ [9] ᮾⰪ࣓ࣔࣜ♫ HP ࡼࡾ [10] ⱝᯘࠊ᪥⤒tech ࢫ࣌ࢩࣕࣝ2017 https://special.nikkeibp.co.jp/atclh/TEC/17/tus1006/vol5/index.html [11] ⱝᯘ ᪥⤒࣐࢖ࢡࣟࢹࣂ࢖ࢫ91 ᖺ 5 ᭶ [12] ⱝᯘࠊ㔝ᮧ㐌ሗ1989 ᖺ ㈈⏺ほ ࠕᾮᬗ⏘ᴗࡢᑗ᮶ᒎᮃࠖ 62(10), 52-75, 1997-10 [13] ㄪᰝ఍♫ iHs ண 

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