JP3821482B2 - 電子放出素子の製造方法 - Google Patents
電子放出素子の製造方法 Download PDFInfo
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- JP3821482B2 JP3821482B2 JP2004242857A JP2004242857A JP3821482B2 JP 3821482 B2 JP3821482 B2 JP 3821482B2 JP 2004242857 A JP2004242857 A JP 2004242857A JP 2004242857 A JP2004242857 A JP 2004242857A JP 3821482 B2 JP3821482 B2 JP 3821482B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 42
- 238000000034 method Methods 0.000 title claims description 36
- 239000010410 layer Substances 0.000 claims description 191
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 77
- 229910052710 silicon Inorganic materials 0.000 claims description 77
- 239000010703 silicon Substances 0.000 claims description 77
- 229910052751 metal Inorganic materials 0.000 claims description 59
- 239000002184 metal Substances 0.000 claims description 59
- 239000002346 layers by function Substances 0.000 claims description 52
- 239000010409 thin film Substances 0.000 claims description 49
- 239000012212 insulator Substances 0.000 claims description 46
- 239000007789 gas Substances 0.000 claims description 24
- 239000010408 film Substances 0.000 claims description 20
- 238000004544 sputter deposition Methods 0.000 claims description 18
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 13
- 239000004065 semiconductor Substances 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 238000005268 plasma chemical vapour deposition Methods 0.000 claims description 7
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 claims description 6
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 6
- 229910000077 silane Inorganic materials 0.000 claims description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 5
- 229910052796 boron Inorganic materials 0.000 claims description 5
- 230000005684 electric field Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 229910052787 antimony Inorganic materials 0.000 claims description 4
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 238000005530 etching Methods 0.000 claims description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 239000011574 phosphorus Substances 0.000 claims description 4
- 229910000073 phosphorus hydride Inorganic materials 0.000 claims description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 3
- 229920005591 polysilicon Polymers 0.000 claims description 3
- 239000000758 substrate Substances 0.000 description 49
- 238000005192 partition Methods 0.000 description 15
- 239000000463 material Substances 0.000 description 13
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 10
- 239000011521 glass Substances 0.000 description 9
- 239000010931 gold Substances 0.000 description 9
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 8
- 229910021417 amorphous silicon Inorganic materials 0.000 description 7
- 239000011159 matrix material Substances 0.000 description 7
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 6
- 229910052697 platinum Inorganic materials 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- -1 HgCl Chemical class 0.000 description 3
- 229910052779 Neodymium Inorganic materials 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 3
- 239000003989 dielectric material Substances 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 229910052715 tantalum Inorganic materials 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical compound C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- 229910052692 Dysprosium Inorganic materials 0.000 description 2
- 229910052691 Erbium Inorganic materials 0.000 description 2
- 229910052693 Europium Inorganic materials 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 229910052688 Gadolinium Inorganic materials 0.000 description 2
- 229910052689 Holmium Inorganic materials 0.000 description 2
- 229910052765 Lutetium Inorganic materials 0.000 description 2
- 229910020068 MgAl Inorganic materials 0.000 description 2
- 229910052777 Praseodymium Inorganic materials 0.000 description 2
- 229910052772 Samarium Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052771 Terbium Inorganic materials 0.000 description 2
- 229910052775 Thulium Inorganic materials 0.000 description 2
- 229910052769 Ytterbium Inorganic materials 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910003472 fullerene Inorganic materials 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 229910052741 iridium Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- 229910052745 lead Inorganic materials 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 238000001451 molecular beam epitaxy Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 229910052702 rhenium Inorganic materials 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- 229910052706 scandium Inorganic materials 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052713 technetium Inorganic materials 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910015999 BaAl Inorganic materials 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- 229910004762 CaSiO Inorganic materials 0.000 description 1
- 101710178035 Chorismate synthase 2 Proteins 0.000 description 1
- 229910003321 CoFe Inorganic materials 0.000 description 1
- 229910021589 Copper(I) bromide Inorganic materials 0.000 description 1
- 101710152694 Cysteine synthase 2 Proteins 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 229910017771 LaFeO Inorganic materials 0.000 description 1
- 229910010093 LiAlO Inorganic materials 0.000 description 1
- 229910013457 LiZrO Inorganic materials 0.000 description 1
- 229910017911 MgIn Inorganic materials 0.000 description 1
- 229910021314 NaFeO 2 Inorganic materials 0.000 description 1
- 241000627951 Osteobrama cotio Species 0.000 description 1
- 229910003564 SiAlON Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910004283 SiO 4 Inorganic materials 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 229910003668 SrAl Inorganic materials 0.000 description 1
- 229910002367 SrTiO Inorganic materials 0.000 description 1
- 229910006501 ZrSiO Inorganic materials 0.000 description 1
- 229910017875 a-SiN Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- AQCDIIAORKRFCD-UHFFFAOYSA-N cadmium selenide Chemical compound [Cd]=[Se] AQCDIIAORKRFCD-UHFFFAOYSA-N 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- RCTYPNKXASFOBE-UHFFFAOYSA-M chloromercury Chemical compound [Hg]Cl RCTYPNKXASFOBE-UHFFFAOYSA-M 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 150000004696 coordination complex Chemical class 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000001659 ion-beam spectroscopy Methods 0.000 description 1
- 238000000608 laser ablation Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052716 thallium Inorganic materials 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- Cold Cathode And The Manufacture (AREA)
Description
2 コレクタ電極
3R,3G,3B 蛍光体層
4 真空空間
10 背面基板
11 オーミック電極
12 電子供給層
13 絶縁体層
15 金属薄膜電極
16 バスライン
17 絶縁性支持部
18 オーバーハング部
RR 隔壁
FR 第2隔壁
Claims (10)
- オーミック電極上に成膜された半導体からなる電子供給層、前記電子供給層上に成膜された絶縁体層及び前記絶縁体層上に形成された金属薄膜電極からなり、前記電子供給層が前記オーミック電極から前記金属薄膜電極への一方向にしか電子を流さない順に成膜されたpin接合からなるダイオード機能層を備えかつ、前記ダイオード機能層が前記オーミック電極と前記電子供給層との界面、又は、前記電子供給層の中間、又は、前記絶縁体層と前記電子供給層との界面に配置されかつ、前記電子供給層の電位よりも前記金属薄膜電極を正電位として電界が印加されたとき、前記ダイオード機能層から前記金属薄膜電極を経て電子を放出する電子放出素子の製造方法であって、前記オーミック電極上に前記電子供給層を形成する電子供給層形成工程を含み、前記電子供給層形成工程において、同じマスクを用いてスパッタリング法により、前記オーミック電極側から順に、n+型シリコン層、n−型シリコン層及びp+型シリコン層を成膜するダイオード機能層成膜工程を含むことを特徴とする電子放出素子の製造方法。
- 前記n−型シリコン層の成膜において、前記n+型シリコン層の場合と同じ元素をドープした50Ω・cm以上のシリコンターゲットを用い、前記元素が前記n+型シリコン層より低い濃度となるように前記n−型シリコン層が成膜されることを特徴とする請求項1記載の電子放出素子の製造方法。
- 前記n+型シリコン層の成膜において、ターゲットとしてはアンチモン又はリンをドープした1Ω・cm以下のシリコンターゲットを用いたことを特徴とする請求項1又は2記載の電子放出素子の製造方法。
- 前記p+型シリコン層の成膜において、ホウ素を高濃度ドープした1Ω・cm以下のシリコンターゲットを用いることを特徴とする請求項3記載の電子放出素子の製造方法。
- 前記スパッタリング法では、Ar,Kr,Xeあるいはそれらの混合ガス、又はこれらの希ガスを主成分としO2,N2を混入した混合ガスを用いてガス圧0.1〜100mTorr好ましくは0.1〜20mTorr、成膜レート0.1〜1000nm/min好ましくは0.5〜100nm/minのスパッタ条件で成膜されることを特徴とする請求項2〜4のいずれか記載の電子放出素子の製造方法。
- 前記ダイオード機能層成膜工程の後に、熱を加え、前記ダイオード機能層にポリシリコン状態を生成する加熱工程を含むことを特徴とする請求項2〜5のいずれか記載の電子放出素子の製造方法。
- オーミック電極上に成膜された半導体からなる電子供給層、前記電子供給層上に成膜された絶縁体層及び前記絶縁体層上に形成された金属薄膜電極からなり、前記電子供給層が前記オーミック電極から前記金属薄膜電極への一方向にしか電子を流さない順に成膜されたpin接合からなるダイオード機能層を備えかつ、前記ダイオード機能層が前記オーミック電極と前記電子供給層との界面、又は、前記電子供給層の中間、又は、前記絶縁体層と前記電子供給層との界面に配置されかつ、前記電子供給層の電位よりも前記金属薄膜電極を正電位として電界が印加されたとき、前記ダイオード機能層から前記金属薄膜電極を経て電子を放出する電子放出素子の製造方法であって、前記オーミック電極上に前記電子供給層を形成する電子供給層形成工程を含み、前記電子供給層形成工程において、プラズマCVD装置を用いて、プラズマCVD法により、前記オーミック電極側から順に、n+型シリコン層、n−型シリコン層及びp+型シリコン層を成膜するダイオード機能層成膜工程を含むことを特徴とする電子放出素子の製造方法。
- 前記n+型、n−型及びp+型シリコン層の成膜において、前記n+型及びn−型シリコン層はシランガスにホスフィンを混合した気体を用い、前記p+型シリコン層はシランガスにジボランを混合した気体を用いることを特徴とする請求項7記載の電子放出素子の製造方法。
- 前記ダイオード機能層成膜工程の後に、エッチングにより、前記オーミック上のみに前記n+型、n−型及びp+型シリコン層を残すようにストライプ構造を形成する工程を含むことを特徴とする請求項7又は8記載の電子放出素子の製造方法。
- 前記ダイオード機能層成膜工程の後に、熱を加え、前記ダイオード機能層の抵抗値を下げる加熱工程を含むことを特徴とする請求項7〜9のいずれか記載の電子放出素子の製造方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004242857A JP3821482B2 (ja) | 2004-08-23 | 2004-08-23 | 電子放出素子の製造方法 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004242857A JP3821482B2 (ja) | 2004-08-23 | 2004-08-23 | 電子放出素子の製造方法 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21448998A Division JP3698390B2 (ja) | 1998-07-29 | 1998-07-29 | 電子放出表示装置及び電子放出装置 |
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| Publication Number | Publication Date |
|---|---|
| JP2004335489A JP2004335489A (ja) | 2004-11-25 |
| JP3821482B2 true JP3821482B2 (ja) | 2006-09-13 |
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| JP2004242857A Expired - Fee Related JP3821482B2 (ja) | 2004-08-23 | 2004-08-23 | 電子放出素子の製造方法 |
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| Country | Link |
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| JP (1) | JP3821482B2 (ja) |
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- 2004-08-23 JP JP2004242857A patent/JP3821482B2/ja not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| JP2004335489A (ja) | 2004-11-25 |
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