摘要:
There are provided a method and an apparatus which form silicon dots having substantially uniform particle diameters and exhibiting a substantially uniform density distribution directly on a substrate at a low temperature. A hydrogen gas (or a hydrogen gas and a silane-containing gas) is supplied into a vacuum chamber (1) provided with a silicon sputter target (e.g., target 30), or the hydrogen gas and the silane-containing gas are supplied into the chamber (1) without arranging the silicon sputter target therein, a high-frequency power is applied to the gas(es) so that plasma is generated such that a ratio (Si(288 nm)/Hβ) between an emission intensity Si(288 nm) of silicon atoms at a wavelength of 288 nm and an emission intensity Hβ of hydrogen atoms at a wavelength of 484 nm in plasma emission is 10.0 or lower, and preferably 3.0 or lower, or 0.5 or lower, and silicon dots (SiD) having particle diameters of 20 nm or lower, or 10 nm or lower are formed directly on the substrate (S) at a low temperature of 500 deg. C. or lower in the plasma (and with chemical sputtering if a silicon sputter target is present).
摘要:
There are provided a method and an apparatus which form silicon dots having substantially uniform particle diameters and exhibiting a substantially uniform density distribution directly on a substrate at a low temperature. A hydrogen gas (or a hydrogen gas and a silane-containing gas) is supplied into a vacuum chamber (1) provided with a silicon sputter target (e.g., target 30), or the hydrogen gas and the silane-containing gas are supplied into the chamber (1) without arranging the silicon sputter target therein, a high-frequency power is applied to the gas(es) so that plasma is generated such that a ratio (Si(288 nm)/Hβ) between an emission intensity Si(288 nm) of silicon atoms at a wavelength of 288 nm and an emission intensity Hβ of hydrogen atoms at a wavelength of 484 nm in plasma emission is 10.0 or lower, and preferably 3.0 or lower, or 0.5 or lower, and silicon dots (SiD) having particle diameters of 20 nm or lower, or 10 nm or lower are formed directly on the substrate (S) at a low temperature of 500 deg. C. or lower in the plasma (and with chemical sputtering if a silicon sputter target is present).
摘要:
A silicon object formation target substrate is arranged in a first chamber, a silicon sputter target is arranged in a second chamber communicated with the first chamber, plasma for chemical sputtering is formed from a hydrogen gas in the second chamber, chemical sputtering is effected on the silicon sputter target with the plasma thus formed, producing particles contributing to formation of silicon object, whereby a silicon object is formed, on the substrate, from the particles moved from the second chamber to the first chamber.
摘要:
A silicon object formation target substrate is arranged in a first chamber, a silicon sputter target is arranged in a second chamber communicated with the first chamber, plasma for chemical sputtering is formed from a hydrogen gas in the second chamber, chemical sputtering is effected on the silicon sputter target with the plasma thus formed, producing particles contributing to formation of silicon object, whereby a silicon object is formed, on the substrate, from the particles moved from the second chamber to the first chamber.
摘要:
A substrate having silicon dots wherein at least one insulating layer and at least one group of silicon dots are formed on a substrate selected from a non-alkali glass substrate and a substrate made of a polymer material.
摘要:
A substrate is accommodated in a vacuum chamber provided with a silicon sputter target, a sputtering gas (typically a hydrogen gas) is supplied into the vacuum chamber, a high-frequency power is applied to the gas to form plasma in the chamber, a bias voltage is applied to the target for control of chemical sputtering, and the chemical sputtering is effected on the target by the plasma to form silicon dots on the substrate.
摘要:
A silicon film forming apparatus includes a deposition chamber (10), a silicon sputter target (2) arranged in the chamber, a hydrogen gas supply circuit (102 or 102′) supplying a hydrogen gas into the chamber, and a high-frequency power applying device (antenna 1, 1′, power source PW and others) generating inductively coupled plasma by applying high-frequency power to the gas supplied into the deposition chamber (10). Chemical sputtering is effected on the target (2) by the plasma to form a silicon film on a substrate S. A silane gas may be used. A silane gas supply circuit (101) may be provided with a gas reservoir unit (GR). The silicon film can be formed inexpensively and fast at a relatively low temperature.
摘要:
A silicon sputter target is arranged in a silicon dot forming chamber, and a silicon dot formation target substrate is arranged in the chamber. Plasma is formed from a sputtering gas (typically a hydrogen gas) supplied into the chamber, and chemical sputtering is effected on the target with the plasma thus formed to form silicon dots on the substrate S. Optionally, with the plasma formed from a hydrogen gas and a silane-containing gas at a plasma emission intensity ratio (Si(288 nm)/Hβ) of 10.0 or lower, the silicon dots are formed on the substrate S. The silicon dots are terminally treated with the plasma derived from a terminally treating gas such as an oxygen gas.
摘要:
Silicon dots are formed at a relatively low temperature, while suppressing occurrence of defects and clustering of silicon dots and damages caused by plasma, with high controllability of particle diameter and high reproducibility between substrates. Moreover, silicon dots and insulating film are formed at a relatively low temperature, with high controllability of the particle diameter of the silicon dots, high controllability of the thickness of the insulating film and high reproducibility between substrates. A method and an apparatus 1 for forming silicon dots (method and apparatus A for forming a substrate with silicon dots and insulating film) in which inductively coupled plasma is produced by an internal antenna 12 (22) with low inductance from a gas for forming silicon dots (a gas for forming insulating film); silicon dots SiD (insulating film F) are formed on a substrate S in the inductively coupled plasma; the substrate S is placed in a state that it is not exposed to unstable plasma when the plasma is in an unstable state; and the substrate S is exposed to stabilized plasma when the plasma is stabilized to start formation of the silicon dots (formation of insulating film).
摘要:
A method for forming silicon dots which can form silicon dots at a relatively low temperature, with good controllability of the particle diameter of silicon dots depending on the particle diameter of silicon dots to be formed.The method for forming silicon dots comprises producing inductively coupled plasma from a gas for forming silicon dots provided within the plasma producing chamber by applying a high-frequency power to an antenna with reduced inductance placed within the plasma producing chamber to form silicon dots on a substrate S disposed within the chamber in the presence of the inductively coupled plasma. Conditions for a pretreatment of the substrate prior to the formation of silicon dots, the temperature of the substrate in forming silicon dots and the gas pressure in the plasma producing chamber during the formation of silicon dots are controlled depending on the particle diameter of the silicon dots.