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Semiconductor Laminate And Method For Manufacturing Same, Method For Manufacturing Semiconductor Device, Semiconductor Device, Dopant Composition, Dopant Injection Layer, And Method For Forming Doped Layer

A technology of dopant and composition, applied in the fields of forming doped layers and manufacturing semiconductor devices, can solve the problems of high cost and the like

Active Publication Date: 2017-06-23
TEIJIN LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, furnace heating requires long-term high-temperature treatment, and there is a problem of high cost.

Method used

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  • Semiconductor Laminate And Method For Manufacturing Same, Method For Manufacturing Semiconductor Device, Semiconductor Device, Dopant Composition, Dopant Injection Layer, And Method For Forming Doped Layer
  • Semiconductor Laminate And Method For Manufacturing Same, Method For Manufacturing Semiconductor Device, Semiconductor Device, Dopant Composition, Dopant Injection Layer, And Method For Forming Doped Layer
  • Semiconductor Laminate And Method For Manufacturing Same, Method For Manufacturing Semiconductor Device, Semiconductor Device, Dopant Composition, Dopant Injection Layer, And Method For Forming Doped Layer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment A1-1

[0386] Obtained in embodiment A1 with figure 1 (d1) The laminated body of the structure shown. That is, in Example A1, a laminate in which the sintered silicon particle layer and the light-transmitting layer were laminated on the substrate was obtained.

[0387] (Preparation of silicon particle dispersion)

[0388] Silicon particles are SiH 4 gas as raw material, by using CO 2 Laser pyrolysis (LP) method of production. The average primary particle diameter of the obtained silicon particles was about 7 nm. The silicon particles were ultrasonically dispersed in isopropyl alcohol (IPA) to obtain a silicon particle dispersion having a solid content concentration of 3% by mass.

[0389] The average primary particle size of silicon particles was observed by TEM, image analysis was performed at a magnification of 100,000 times, and calculation was performed based on a set of 500 or more.

[0390] (preparation of substrate)

[0391] The glass substrates were ult...

Embodiment A1-2 to A1-4

[0404] In Examples A1-2 to A1-4, the laser irradiation energy is respectively 100mJ / (cm 2 • times), 200mJ / (cm 2 • times) and 300mJ / (cm 2 • times) Except for this, the sintered silicon particle layer was produced in the same manner as in Example A1-1.

[0405] The laminate obtained in Example A1-2 has the following properties: figure 1 The structure shown in (d1) is a structure in which the sintered silicon particle layer (A5) and the light-transmitting layer (A3) were laminated|stacked on the base material (A10). In addition, the laminates obtained in Examples A1-3 and 1-4 had figure 1 The configuration shown in (d2) is a configuration in which only the sintered silicon particle layer (A5) is laminated on the base material (A10).

[0406] The laminates obtained in Examples A1-2 to A1-4 were evaluated by cross-sectional observation of the silicon layer in the same manner as in Example A1-1. The FE-SEM photographs of the laminate obtained from embodiment A1-2 t...

Embodiment A2-1 to A2-4

[0408] In Examples A2-1 to A2-4, a light-transmitting layer (see below) mainly composed of silicon oxide obtained from a silanol solution was used as the light-transmitting layer. Likewise, a layer of sintered silicon particles was produced. In Examples A2-1 to A2-4, the laser irradiation energy is 100mJ / (cm 2 • times), 200mJ / (cm 2 • times), 300mJ / (cm 2 • times) and 400mJ / (cm 2 •Second-rate).

[0409] The laminates obtained in Examples A2-1 and A2-2 have the following properties: figure 1 The configuration shown in (d1) is a configuration in which the sintered silicon particle layer (A5) and the light-transmitting layer (A3) are laminated on the substrate (A10). The laminates obtained from Examples A2-3 and A2-4 have figure 1 The configuration shown in (d2) is a configuration in which only the sintered silicon particle layer (A5) is laminated on the base material (A10).

[0410] The laminates obtained in Examples A2-1 to A2-4 were evaluated by cross-sectio...

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Abstract

A first aspect of the present invention provides a method for producing a semiconductor laminate comprising a substrate having formed thereon a silicon layer with small surface unevenness and high continuity. The method of the first aspect of the present invention for producing a semiconductor laminate having a substrate 10 and a sintered silicon particle layer 5 on the substrate comprises (a) coating a silicon particle dispersion containing a dispersion medium and silicon particles dispersed in the dispersion medium, on a substrate 10 to form a silicon particle dispersion layer 1, (b) drying the silicon particle dispersion layer 1 to form a green silicon particle layer 2, (c) stacking a light-transmitting layer 3 on the green silicon particle layer, and (d) irradiating the green silicon particle layer 2 with light through the light-transmitting layer 3 to sinter the silicon particles constituting the green silicon particle layer 2, and thereby form a sintered silicon particle layer 5.

Description

[0001] This application is filed on March 29, 2013, application number 201380018274.7 (PCT / JP2013 / 059629), and the title of the invention is "semiconductor laminate and its manufacturing method, semiconductor device manufacturing method, semiconductor device, dopant composition, Dopant injection layer and method for forming doped layer" is a divisional application of the invention patent application. technical field [0002] A first aspect of the present invention relates to a semiconductor laminate and a method for producing the same. [0003] A second aspect of the present invention relates to a method of manufacturing a semiconductor device. The second aspect of the present invention also relates to a semiconductor device obtainable by using the method for manufacturing a semiconductor device according to the second aspect of the present invention. [0004] A third aspect of the present invention relates to a method for forming a dopant composition, a dopant injection laye...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L21/208H01L21/22H01L21/225H01L21/268H01L21/336H01L29/786H01L27/12
CPCH01L21/02532H01L21/02576H01L21/02579H01L21/02601H01L21/02628H01L21/2254H01L21/268H01L29/66757H01L29/78696H01L21/2225H01L21/2257H01L27/1292H01L29/78666H01L31/068H01L31/0682H01L31/1804H01L31/1872Y02E10/547H01L31/02167Y02P70/50H01L21/02436H01L21/0257H01L21/0259H01L21/02694H01L31/208
Inventor 今村哲也富泽由香池田吉纪
Owner TEIJIN LTD