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    • 1. 发明授权
    • 강유전성캐패시터
    • 具有Rh的上电极和下电极的电介质电容器
    • KR100416733B1
    • 2004-07-05
    • KR1019960007560
    • 1996-03-20
    • 삼성전자주식회사
    • 이준기정일섭세슈비.데스
    • H01L29/92
    • H01L28/75H01L28/55H01L28/60
    • PURPOSE: A ferroelectric capacitor is provided to restrain the degradation of characteristics due to the diffusion of Ti from a conventional adhesive layer by forming upper and lower electrodes using Rh. CONSTITUTION: A ferroelectric capacitor includes a substrate(10), an RhOx insulating layer(20) on the substrate, an Rh lower electrode(40) on the insulating layer via an RhOx or Ti adhesive layer(30), a ferroelectric layer(50) on the Rh lower electrode, and an Rh upper electrode(60) on the ferroelectric layer. The RhOx adhesive layer is made of RhO2 and Rh2O3.
    • 目的:提供一种铁电电容器,通过使用Rh形成上下电极,抑制由于常规粘合剂层的Ti的扩散引起的特性劣化。 构成:铁电电容器包括基板(10),基板上的RhOx绝缘层(20),经由RhOx或Ti粘合剂层(30)在绝缘层上的Rh下电极(40),铁电体层(50) )和在Rh电极上的Rh上电极(60)。 RhOx粘合剂层由RhO 2和Rh 2 O 3制成。
    • 6. 发明授权
    • 강유전체캐패시터의제조방법
    • 制造铁电电容器的方法
    • KR100326585B1
    • 2002-08-08
    • KR1019950001804
    • 1995-01-28
    • 삼성전자주식회사
    • 정일섭유인경세슈비.데스
    • H01G4/018
    • PURPOSE: A method for fabricating a ferroelectric capacitor is provided to change a contact characteristic between a conductive oxide layer and a metal electrode layer and a physical characteristic of a ferroelectric body by depositing the conductive oxide layer on the metal electrode layer without performing a thermal process for the metal electrode layer. CONSTITUTION: A titanium layer(1) is deposited on an upper surface of an SiO2/Si substrate(7). A lower metal layer(2) is deposited on the titanium layer(1). A conductive oxide layer(3) is deposited on the lower metal layer(2) by using a reactive sputtering method or a MOCVD method. The conductive oxide layer(3) is formed with one selected from a group including RuO2-x, IrO2-x, and RhO2-x. A ferroelectric layer is deposited on the conductive oxide layer(3) by using a spin coating method. A conductive oxide layer is deposited on the ferroelectric layer. An upper metal layer is deposited on the conductive oxide layer.