摘要:
After a ferroelectric capacitor is formed, an Al wiring (conductive pad) connected to the ferroelectric capacitor is formed. Then, a silicon oxide film and a silicon nitride film are formed around the Al wiring. Thereafter, as a penetration inhibiting film which inhibits penetration of moisture into the silicon oxide film, an Al2O3 film is formed.
摘要翻译:在形成铁电电容器之后,形成连接到铁电电容器的Al布线(导电焊盘)。 然后,在Al布线周围形成氧化硅膜和氮化硅膜。 此后,作为抑制水分渗透到氧化硅膜中的渗透抑制膜,形成Al 2 O 3膜。
摘要:
Stable contact hole forming is attained even when an aluminum oxide film is present between layers provided with contact holes. The process comprises the steps of forming a first element layer on a semiconductor substrate; forming a first interlayer insulating film on the first element layer; forming a second element layer on the first interlayer insulating film; forming a second interlayer insulating film on the second element layer; forming a hole resist pattern on the second interlayer insulating film; conducting a first etching for forming of holes by etching the second interlayer insulating film; and conducting a second etching for extending of holes to the first element layer by etching the first interlayer insulating film.
摘要:
Stable contact hole forming is attained even when an aluminum oxide film is present between layers provided with contact holes. The process comprises the steps of forming a first element layer on a semiconductor substrate; forming a first interlayer insulating film on the first element layer; forming a second element layer on the first interlayer insulating film; forming a second interlayer insulating film on the second element layer; forming a hole resist pattern on the second interlayer insulating film; conducting a first etching for forming of holes by etching the second interlayer insulating film; and conducting a second etching for extending of holes to the first element layer by etching the first interlayer insulating film.
摘要:
Stable contact hole forming is attained even when an aluminum oxide film is present between layers provided with contact holes. The process comprises the steps of forming a first element layer on a semiconductor substrate; forming a first interlayer insulating film on the first element layer; forming a second element layer on the first interlayer insulating film; forming a second interlayer insulating film on the second element layer; forming a hole resist pattern on the second interlayer insulating film; conducting a first etching for forming of holes by etching the second interlayer insulating film; and conducting a second etching for extending of holes to the first element layer by etching the first interlayer insulating film.
摘要:
A protective film (56) having a water/hydrogen blocking function is formed so as to cover the periphery of a pad electrode (54a) while being electrically isolated from the pad electrode. A material selected in the embodiment for composing the protective film is a highly moisture-proof material having a water/hydrogen blocking function considerably superior to that of the insulating material, such as palladium (Pd) or palladium-containing material, and iridium (Ir) or iridium oxide (IrOx: typically x=2) or an iridium- or iridium oxide-containing material. An FeRAM capable of reliably preventing water/hydrogen from entering inside, and of maintaining high performance of the ferroelectric capacitor structure (30) may be realized only by a simple configuration.
摘要:
A protective film (56) having a water/hydrogen blocking function is formed so as to cover the periphery of a pad electrode (54a) while being electrically isolated from the pad electrode. A material selected in the embodiment for composing the protective film is a highly moisture-proof material having a water/hydrogen blocking function considerably superior to that of the insulating material, such as palladium (Pd) or palladium-containing material, and iridium (Ir) or iridium oxide (IrOx: typically x=2) or an iridium- or iridium oxide-containing material. An FeRAM capable of reliably preventing water/hydrogen from entering inside, and of maintaining high performance of the ferroelectric capacitor structure (30) may be realized only by a simple configuration.
摘要翻译:形成具有水/氢阻断功能的保护膜(56),以便在与焊盘电极电隔离的同时覆盖焊盘电极(54a)的外围。 用于构成保护膜的实施方案中选择的材料是具有显着优于绝缘材料(例如钯(Pd)或含钯材料)和铱(Ir)的防氢/阻氢功能的高度防潮材料 )或氧化铱(IrO x x:通常为x = 2)或含铱或氧化铱的材料。 可以通过简单的结构来实现能够可靠地防止水/氢进入内部并且保持铁电电容器结构(30)的高性能的FeRAM。
摘要:
After a ferroelectric capacitor is formed, an Al wiring (conductive pad) connected to the ferroelectric capacitor is formed. Then, a silicon oxide film and a silicon nitride film are formed around the Al wiring. Thereafter, as a penetration inhibiting film which inhibits penetration of moisture into the silicon oxide film, an Al2O3 film is formed.
摘要翻译:在形成铁电电容器之后,形成连接到铁电电容器的Al布线(导电焊盘)。 然后,在Al布线周围形成氧化硅膜和氮化硅膜。 此后,作为抑制水分渗透到氧化硅膜中的渗透抑制膜,形成Al 2 O 3 3膜。
摘要:
Stable contact hole forming is attained even when an aluminum oxide film is present between layers provided with contact holes. The process comprises the steps of forming a first element layer on a semiconductor substrate; forming a first interlayer insulating film on the first element layer; forming a second element layer on the first interlayer insulating film; forming a second interlayer insulating film on the second element layer; forming a hole resist pattern on the second interlayer insulating film; conducting a first etching for forming of holes by etching the second interlayer insulating film; and conducting a second etching for extending of holes to the first element layer by etching the first interlayer insulating film.