Abstract:
The present invention provides a manufacturing method for an integrated semiconductor contact structure having an improved Aluminum fill comprising the steps of: forming contact holes in an insulation layer provided on a wafer, said contact holes having a respective bottom and respective sidewalls, said bottoms including a respective conductive area; introducing said wafer into a first PVD deposition chamber, said first PVD deposition chamber including a wafer bias means; and cold depositing a first Aluminum layer on the wafer in said first PVD deposition chamber, said first Aluminum layer covering said bottoms and said sidewalls of said contact holes and forming a seed layer; wherein during said step of cold depositing said first Aluminum layer on the wafer in said first PVD deposition chamber said wafer bias means is set to a bias in the range between 20 W and 700 W or −50 V to −800 V.
Abstract:
The invention is concerned with a process for removing residue comprising a polymeric resist and metal oxide from a metal structure on a semiconductor substrate, the process comprising the steps of: (a) heating up the substrate with the metal structure in the presence of molecular nitrogen gas (N2); (b) a stabilization step in the presence of pure molecular nitrogen gas (N2); (c) a passivation step employing a plasma containing at least one of the group of water, nitrogen and oxygen; and (d) a stripping step containing oxygen to remove the residue, comprising resist.
Abstract translation:本发明涉及从半导体衬底上的金属结构去除包含聚合物抗蚀剂和金属氧化物的残余物的方法,该方法包括以下步骤:(a)在分子氮存在下用金属结构加热衬底 气体(N 2/2); (b)在纯分子氮气(N 2 O 2)存在下的稳定步骤; (c)使用包含一组水,氮和氧中的至少一种的等离子体的钝化步骤; 和(d)包含氧以除去残留物的剥离步骤,包括抗蚀剂。
Abstract:
A light-emitting diode (LED) device, includes a substrate, having a first and a second surfaces, a first bonding layer, disposed on the first surface, a first epitaxial structure, having a third and a fourth surfaces and comprising a first and a second groove, wherein the first epitaxial structure comprises a second electrical type semiconductor layer, an active layer and a first electrical type semiconductor layer sequentially stacked on the first bonding layer, and the first groove extends from the fourth surface to the first electrical type semiconductor layer via the active layer, the second groove extends from the fourth surface to the third surface, a first electrical type conductive branch, a first electrical type electrode layer, an insulating layer, filled in the first and the second grooves, and a second electrical type electrode layer, electrically connected to the second electrical type semiconductor layer.
Abstract:
A method for providing whisker-free aluminum metal lines or aluminum alloy lines in integrated circuits includes the following steps: providing a substrate; providing a whisker-containing layer made of aluminum metal or an aluminum alloy on the substrate; back-etching and/or resputtering the whisker-containing layer such that the whiskers are essentially removed; and structuring the whisker-free layer into the lines.
Abstract:
A method for providing whisker-free aluminum metal lines or aluminum alloy lines in integrated circuits includes the following steps: providing a substrate; providing a whisker-containing layer made of aluminum metal or an aluminum alloy on the substrate; back-etching and/or resputtering the whisker-containing layer such that the whiskers are essentially removed; and structuring the whisker-free layer into the lines.
Abstract:
A light-emitting diode (LED) and fabricating method thereof. The method includes: providing a first substrate and forming an epitaxial portion on the first substrate; forming at least one reflection layer on the epitaxial portion; forming a metal barrier portion on the reflection layer; etching the epitaxial portion and the barrier portion by a first etching process, so as to form a plurality of epitaxial layers and a plurality of metal barrier layers, an etch channel is formed between adjacent epitaxial layers, and each metal barrier layer enwraps a corresponding reflection layer and covers all of a surface of a corresponding epitaxial layer; forming a first bonding layer on the metal barrier layer; and forming a second substrate on the first bonding layer and removing the first substrate.
Abstract:
The invention is concerned with a process for removing residue comprising a polymeric resist and metal oxide from a metal structure on a semiconductor substrate, the process comprising the steps of: (a) heating up the substrate with the metal structure in the presence of molecular nitrogen gas (N2); (b) a stabilization step in the presence of pure molecular nitrogen gas (N2); (c) a passivation step employing a plasma containing at least one of the group of water, nitrogen and oxygen; and (d) a stripping step containing oxygen to remove the residue, comprising resist.
Abstract translation:本发明涉及从半导体衬底上的金属结构去除包含聚合物抗蚀剂和金属氧化物的残余物的方法,该方法包括以下步骤:(a)在分子氮存在下用金属结构加热衬底 气体(N 2/2); (b)在纯分子氮气(N 2 O 2)存在下的稳定步骤; (c)使用包含一组水,氮和氧中的至少一种的等离子体的钝化步骤; 和(d)包含氧以除去残留物的剥离步骤,包括抗蚀剂。