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    • 22. 发明授权
    • Method for determining wafer cleanliness
    • 确定晶片清洁度的方法
    • US5223443A
    • 1993-06-29
    • US838539
    • 1992-02-19
    • Jeffrey D. ChinnCiaran P. Hanrahan
    • Jeffrey D. ChinnCiaran P. Hanrahan
    • H01L21/306
    • H01L21/02052
    • An embodiment of the present invention is a method for determining the cleanliness of a semiconductor wafer initially deposited with polysilicon, patterned with photoresist, processed, and then having the resist removed under standard conditions. The method comprising the steps of: depositing a thin TEOS film over the entire surface of a wafer; exposing said wafer to a solution of hot potassium hydroxide (KOH) that attacks polysilicon and is highly selective to and does not etch said TEOS film, the exposing such that if any pin hole exists in the TEOS film an underlying layer of polysilicon is attacked vigorously; and inspecting said wafer for a visual indication in said polysilicon layer of whether or not said polysilicon layer was attacked by the exposure to said potassium hydroxide (KOH).
    • 本发明的一个实施例是用于确定最初沉积多晶硅的半导体晶片的清洁度的方法,用光刻胶图案化,加工,然后在标准条件下除去抗蚀剂。 该方法包括以下步骤:在晶片的整个表面上沉积薄的TEOS膜; 将所述晶片暴露于攻击多晶硅的热氢氧化钾(KOH)的溶液中,并且对TEOS膜具有高度选择性且不蚀刻所述TEOS膜,所述曝光使得如果在TEOS膜中存在任何针孔,则下层的多晶硅被剧烈地侵蚀 ; 以及在所述多晶硅层中检查所述晶片的视觉指示,判断所述多晶硅层是否暴露于所述氢氧化钾(KOH)中。
    • 26. 发明授权
    • Method for controlled application of reactive vapors to produce thin films and coatings
    • 用于控制应用反应蒸气以产生薄膜和涂层的方法
    • US07413774B2
    • 2008-08-19
    • US11018173
    • 2004-12-21
    • Boris KobrinRomuald NowakRichard C. YiJeffrey D. Chinn
    • Boris KobrinRomuald NowakRichard C. YiJeffrey D. Chinn
    • C23C16/00
    • B82Y30/00B05D1/185B05D1/60B05D3/142B82Y40/00C09D4/00C23C16/4485C08G77/04
    • A vapor phase deposition method and apparatus for the application of thin layers and coatings on substrates. The method and apparatus are useful in the fabrication of electronic devices, micro-electromechanical systems (MEMS), Bio-MEMS devices, micro and nano imprinting lithography, and microfluidic devices. The apparatus used to carry out the method provides for the addition of a precise amount of each of the reactants to be consumed in a single reaction step of the coating formation process. The apparatus provides for precise addition of quantities of different combinations of reactants during a single step or when there are a number of different individual steps in the coating formation process. The precise addition of each of the reactants in vapor form is metered into a predetermined set volume at a specified temperature to a specified pressure, to provide a highly accurate amount of reactant.
    • 一种用于在基底上施加薄层和涂层的气相沉积方法和装置。 该方法和装置可用于制造电子设备,微机电系统(MEMS),生物MEMS装置,微型和纳米压印光刻以及微流体装置。 用于实施该方法的装置提供了在涂层形成过程的单个反应步骤中添加精确量的每种待消耗的反应物。 该装置提供在单一步骤期间或当涂层形成过程中存在许多不同的单独步骤时精确添加量的不同组合的反应物。 将蒸气形式的每种反应物的精确加入在指定温度下计量到预定设定体积至指定压力,以提供高精度的反应物。