JP6608269B2 - 半導体装置及び記録装置 - Google Patents
半導体装置及び記録装置 Download PDFInfo
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- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
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- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
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- H01L27/0248—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection
- H01L27/0251—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices
- H01L27/0266—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices using field effect transistors as protective elements
- H01L27/027—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices using field effect transistors as protective elements specially adapted to provide an electrical current path other than the field effect induced current path
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
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- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
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- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/045—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage adapted to a particular application and not provided for elsewhere
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- Microelectronics & Electronic Packaging (AREA)
- Semiconductor Integrated Circuits (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Design And Manufacture Of Integrated Circuits (AREA)
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Description
図1は、本発明の第1の実施の形態である半導体装置の回路構成であり、アンチヒューズ素子に情報が書込まれる前の状態を示している。
第1の実施の形態で示した静電気放電(ESD:Electro−Static Discharge)による高いサージに対する耐性をより向上させる例を示す。半導体装置の回路構成は図1と同じである。
第2の実施の形態で示した静電気放電(ESD:Electro−Static Discharge)による高いサージに対する耐性をより向上させる例を示す。半導体装置1の一例の回路構成を図6に示す。
Wrs<Wrp (式1)
本実施の形態では、実施の形態1乃至3のいずれか1つに記載の半導体装置1の適用例として、半導体装置1を記録装置に適用した例について説明する。
11 アンチヒューズ素子
MD1 第3のトランジスタ(高耐圧トランジスタ)
EP ESD保護素子
B ノード
Rs 第1の抵抗素子
Rp 第2高濃度N型拡散領域
Claims (19)
- アンチヒューズ素子と、
前記アンチヒューズ素子に電圧を印加するための端子と、
前記アンチヒューズ素子を介して前記端子に接続され、前記アンチヒューズ素子への電圧の印加を制御するトランジスタと、
前記端子と、ノードを介して接続されたESD(Electro−Static Discharge)保護素子と、
前記ノードと前記アンチヒューズ素子との間の電流経路に設けられた第1の抵抗素子と、
前記アンチヒューズ素子と並列に接続された第2の抵抗素子と、
を有し、
前記第1の抵抗素子に印加される電圧が大きくなると、前記第1の抵抗素子の抵抗値は大きくなり、
前記アンチヒューズ素子に情報を書き込む際に前記端子に印加する電圧より高い電圧を印加した際の抵抗の変化率が、前記第2の抵抗素子より前記第1の抵抗素子の方が大きいことを特徴とする半導体装置。 - 前記アンチヒューズ素子はMOS構造を有し、前記MOS構造のゲート酸化膜を絶縁破壊することによって情報が書き込まれるように構成されている請求項1に記載の半導体装置。
- 前記トランジスタはMOSトランジスタである請求項1または2に記載の半導体装置。
- MOSトランジスタを有し、前記トランジスタを駆動する駆動部を、さらに有することを特徴とする請求項1乃至3のいずれか1項に記載の半導体装置。
- 前記第1の抵抗素子は、前記第1の抵抗素子に印加される電圧が大きくなると、抵抗値が単調増加し、前記抵抗値の変化率も単調増加する構成である請求項1乃至4のいずれか1項に記載の半導体装置。
- 前記第1の抵抗素子と前記第2の抵抗素子は拡散抵抗である請求項1乃至5のいずれか1項に記載の半導体装置。
- 前記第2の抵抗素子の幅が、前記第1の抵抗素子の幅より広いことを特徴とする請求項6に記載の半導体装置。
- 前記第1の抵抗素子と前記第2の抵抗素子は、印加される電圧によって前記拡散抵抗が形成されている拡散領域の空乏層領域が変化し、高電圧を加えると実質的な抵抗幅が狭くなる請求項6に記載の半導体装置。
- 前記ESD保護素子はMOSトランジスタから構成され、ゲートとソースとバックゲートは接地され、ドレインが前記端子と第1の抵抗素子の間に接続されていることを特徴とする請求項1乃至8のいずれか1項に記載の半導体装置。
- アンチヒューズ素子と、
ソースおよびドレインの一方が、前記アンチヒューズ素子の一端と接続され、ソースおよびドレインの他方に第1電位が供給されるトランジスタと、
前記アンチヒューズ素子の他端に一端が接続され、前記第1電位とは異なる第2電位が供給される端子に他端が接続された第1の抵抗素子と、
前記端子と、前記第1の抵抗素子の他端との間の電気経路に接続されたESD(Electro−Static Discharge)保護素子と、
前記アンチヒューズ素子と並列に接続された第2の抵抗素子と、
を有し、
前記第1の抵抗素子は拡散抵抗であり、
前記アンチヒューズ素子に情報を書き込む際に前記端子に印加する電圧より高い電圧を印加した際の抵抗の変化率が、前記第2の抵抗素子より前記第1の抵抗素子の方が大きいことを特徴とする半導体装置。 - 前記アンチヒューズ素子はMOS構造を有し、前記MOS構造のゲート酸化膜を絶縁破壊することによって情報が書き込まれるように構成されている請求項10に記載の半導体装置。
- 前記トランジスタはMOSトランジスタである請求項10または11に記載の半導体装置。
- MOSトランジスタを有し、前記トランジスタを駆動する駆動部を、さらに有する請求項10乃至12のいずれか1項に記載の半導体装置。
- 前記第1の抵抗素子は、前記第1の抵抗素子に印加される電圧が大きくなると、抵抗値が単調増加し、前記抵抗値の変化率も単調増加する構成である請求項10乃至13のいずれか1項に記載の半導体装置。
- 前記第2の抵抗素子の幅が、前記第1の抵抗素子の幅より広い請求項10乃至14のいずれか1項に記載の半導体装置。
- 前記第1の抵抗素子は、印加される電圧によって前記拡散抵抗が形成されている拡散領域の空乏層領域が変化し、高電圧を加えると実質的な抵抗幅が狭くなる請求項10乃至15のいずれか1項に記載の半導体装置。
- 前記ESD保護素子はMOSトランジスタから構成され、前記MOSトランジスタのゲートとソースとバックゲートは接地され、ドレインが前記端子と第1の抵抗素子の間に接続されている請求項10乃至16のいずれか1項に記載の半導体装置。
- 複数の吐出口と記録ヘッド用基板とを有する記録ヘッド部と、
前記記録ヘッド部に取り付けられたインクタンクと、
を有し、
前記記録ヘッド用基板は、
前記複数の吐出口に対応するように設けられた吐出用素子と、
前記吐出用素子と電気的に接続された制御回路と、
前記制御回路と電気的に接続された請求項1乃至17のいずれか1項に半導体装置と、を有することを特徴とする記録装置。 - 前記吐出用素子はヒータであることを特徴とする請求項18に記載の記録装置。
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JP2015249092A JP6608269B2 (ja) | 2015-12-21 | 2015-12-21 | 半導体装置及び記録装置 |
US15/383,513 US9895879B2 (en) | 2015-12-21 | 2016-12-19 | Semiconductor device and recording device |
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