1. A method for producing a solid-state imaging device, which comprises:
a photoelectric conversion section;
a charge transfer section having a charge transfer electrode for transferring an electric charge generated in the photoelectric conversion section; and
an antireflection film covering a light-receiving region in the photoelectric conversion section,
wherein
forming the antireflection film comprises:
forming a sidewall on a lateral wall of the charge transfer electrode after forming the charge transfer electrode;
forming an antireflection film on a substrate surface where the sidewall is formed;
forming a resist on the antireflection film;
melting and flattening the resist to expose the antireflection film on the charge transfer electrode;
removing the antireflection film by using the resist as the mask;
removing the sidewall;
covering the charge transfer electrode with an insulating film; and
forming a light-shielding film that reaches a level lower than the top surface of the antireflection film, and that surrounds the periphery of the antireflection film.
2. The method for producing the solid-state imaging device as claimed in claim 1, wherein the forming of the light-shielding film comprises patterning by photolithography after the forming of the light-shielding film.
3. The method for producing the solid-state imaging device as claimed in claim 1, which comprises,
etching at least a part of an gate oxide film on the photoelectric conversion section by using the charge transfer electrode as the mask, the etching performing in advance of the forming of the sidewall.
4. The method for producing the solid-state imaging device as claimed in claim 3, wherein the etching of the gate oxide film is exposing the substrate surface.
5. The method for producing the solid-state imaging device as claimed in claim 4, which comprises,
covering the substrate surface with an oxide film by a radical oxidation using a low-temperature plasma after the exposing of the substrate surface.
6. The method for producing the solid-state imaging device as claimed in claim 1, wherein the forming of the sidewall comprises forming a polycrystalline silicon layer by a chemical vapor deposition method.
7. The method for producing the solid-state imaging device as claimed in claim 1, wherein the forming of the insulating film comprises forming a silicon oxide film by a radical oxidation using a low-temperature plasma.
8. The method for producing the solid-state imaging device as claimed in claim 1, wherein the forming of the antireflection film is forming a silicon nitride film.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method of forming a stabilizer on a pipe, the method comprising the steps of:
forming a plurality of elongate stabilizer blades, each of the plurality of stabilizer blades including a plurality of wire receiving apertures, a first wire receiving aperture of the plurality of apertures extending through at least one lateral portion of the respective stabilizer blade adjacent a proximal end portion, a second wire receiving aperture of the plurality of apertures extending through at least one lateral portion of the respective stabilizer blade adjacent a distal end portion;
connecting each of the plurality of stabilizer blades spaced apart around an outer diameter of the pipe, so that each separate one of the plurality of wire receiving apertures in each of the stabilizer blades are substantially radially aligned with a corresponding separate one of the plurality of wire receiving apertures in each of the plurality of stabilizer blades to thereby form a corresponding at least two sets of adjacent wire receiving apertures, to include:
positioning the plurality of stabilizer blades around the outer diameter of the pipe,
extending a first section of wire through a first set of adjacent wire receiving apertures, and
extending a second section of wire through a second set of adjacent wire receiving apertures, the first section of wire at least substantially extending around the outer diameter of a portion of the pipe adjacent a proximal end thereof, the second section of wire at least substantially extending around the outer diameter of a portion of the pipe adjacent a distal thereof, the wires semi-permanently connecting the plurality of stabilizer blades to the outer diameter of the pipe, to enhance position stability of the pipe when operably positioned within a well bore;
wrapping a shrinkable sleeve around an outer surface of each of the plurality of stabilizer blades connected to the outer diameter of the pipe, the shrinkable sleeve forming a circuit around the outer diameter of a portion of the pipe carrying the plurality of stabilizer blades; and
activating the shrinkable sleeve to cause the sleeve to shrink around the outer surfaces of the plurality of stabilizer blades and around an outer surface portions of the outer diameter of the pipe to thereby immobilize each of the plurality of stabilizer blades, the combination of stabilizer blades and shrinkable sleeve forming a shrinkable sleeve stabilizer.
2. A method as defined in claim 1,
wherein each of the elongate stabilizer blades comprises the proximal end, the distal end, and a medial portion, the medial portion comprising a pipe-facing surface, a well-bore facing surface opposite the pipe-facing surface, and a pair of side surfaces extending therebetween; and
wherein when activated, the shrinkable sleeve form-fits around and in direct contact with each pair of side surfaces and the well-bore facing surface of each of the plurality of stabilizer blades.
3. A method as defined in claim 2, wherein the shrinkable sleeve is a heat-shrinkable sleeve, and wherein, when activated, the heat-shrinkable sleeve further form-fits around and in direct contact with the proximal end and the distal end of each of the plurality of stabilizer blades and around outer surface portions of the pipe between each adjacent one of the plurality of stabilizer blades.
4. A method as defined in claim 2,
wherein the shrinkable sleeve comprises a heat-shrinkable epoxy sheet; and
wherein the step of activating the shrinkable sleeve comprises applying heat to the heat-shrinkable epoxy sheet.
5. A method as defined in claim 2,
wherein the shrinkable sleeve further comprises a protective fiberglass sheet surrounding a heat-shrinkable epoxy sheet when operably positioned around the plurality of stabilizer blades; and
wherein the step of activating the shrinkable sleeve comprises applying ultraviolet light to the protective fiberglass sheet to cure the protective fiberglass sheet.
6. A method a defined in claim 1, wherein the plurality of wire receiving apertures further includes a third wire receiving aperture extending through a medial portion of the respective stabilizer blade.
7. A method as defined in claim 1, wherein the step of connecting each of the plurality of stabilizer blades comprises applying a low-shear resistance removable pressure sensitive adhesive to a pipe-facing surface of each of the stabilizer blades, and positioning the plurality of stabilizer blades around the outer diameter of the pipe.
8. A method as defined in claim 1,
wherein the pipe comprises well easing; and
wherein each of the stabilizer blades comprise ultra-high-molecular-weight polyethylene.
9. A method of forming a stabilizer on a pipe comprising a well casing, the method comprising the steps of:
providing a plurality of elongate stabilizer blades, each of the elongate stabilizer blades comprising a proximal end, a distal end, and a medial portion, the medial portion comprising a pipe-facing surface, a well-bore facing surface opposite the pipe-facing surface, and a pair of side surfaces extending therebetween, each of the plurality of stabilizer blades including a plurality of wire receiving apertures, a first wire receiving aperture of the plurality of apertures extending through at least one lateral portion of the respective stabilizer blade adjacent a proximal end portion, a second wire receiving aperture of the plurality of apertures extending through at least one lateral portion of the respective stabilizer blade adjacent a distal end portion, and a third wire receiving aperture extending through a medial portion of the respective stabilizer blade;
connecting each of the plurality of stabilizer blades spaced apart around an outer diameter of the pipe to enhance position stability of the pipe when operably positioned within a well bore, to include:
positioning the plurality of stabilizer blades around the outer diameter of the pipe, extending a first section of wire through a first set of adjacent wire receiving apertures,
extending a second section of wire through a second set of adjacent wire receiving apertures, and
extending a third section of wire through a third set of adjacent wire receiving apertures, the first section of wire at least substantially extending around the outer diameter of a portion of the pipe adjacent proximal end thereof, the second section of wire at least substantially extending around the outer diameter of a portion of the pipe adjacent a distal end thereof, the third section of wire at least substantially extending around the outer diameter of a portion of the pipe adjacent a medial portion thereof, the wires semi-permanently connecting the plurality of stabilizer blades to the outer diameter of the pipe; and
wrapping a shrinkable sleeve around an outer surface of each of the plurality of stabilizer blades connected to the outer diameter of the pipe, the shrinkable sleeve forming a circuit around the outer diameter of a portion of the pipe carrying the plurality of stabilizer blades; and
activating the shrinkable sleeve to cause the sleeve to shrink around the outer surfaces of the plurality of stabilizer blades and around an outer surface portions of the outer diameter of the pipe so that when activated, the shrinkable sleeve form-fits around and in direct contact with each pair of side surfaces, the proximal and distal ends, and the well-bore facing surface of each of the plurality of stabilizer blades and around outer surface portions of the pipe between each adjacent one of the plurality of stabilizer blades to thereby immobilize each of the plurality of stabilizer blades, the combination of stabilizer blades and shrinkable sleeve forming a shrinkable sleeve stabilizer.
10. A method as defined in claim 9,
wherein the shrinkable sleeve comprises:
a heat shrinkable epoxy sheet, and
an ultraviolet (UV) light activated protective fiberglass sheet surrounding the heat-shrinkable epoxy sheet when operably positioned around the plurality of stabilizer blades; and
wherein the step of activating the shrinkable sleeve comprises:
applying heat to the heat-shrinkable epoxy sheet, and
applying ultraviolet light to the protective fiberglass sheet to cure the protective fiberglass sheet.
11. A stabilizer apparatus formed around an outer diameter of a pipe, the apparatus comprising:
a plurality of elongate stabilizer blades configured to connect around an outer diameter of the pipe to thereby enhance position stability of the pipe when operably positioned within a well bore, each of the plurality of stabilizer blades including a plurality of wire receiving apertures, each separate one of the plurality of wire receiving aperture in each of the stabilizer blades being substantially radially aligned with a corresponding separate one of the plurality of wire receiving apertures in each other of the plurality of stabilizer blades when the stabilizer blades are operably positioned around the outer diameter of the pipe to thereby form a corresponding at least two sets of adjacent wire receiving apertures, a first section of wire extending through a second set of adjacent wire receiving apertures, the first section of wire at least substantially extending around the outer diameter of a portion of the pipe adjacent a proximal end thereof, the second section of wire at least substantially extending around the outer diameter of a portion of the pipe adjacent a distal end thereof, the wires semi-permanently connecting the plurality of stabilizer blades to the outer diameter of the pipe; and
a shrinkable sleeve sized to wrap around an outer surface of each of the plurality of stabilizer blades when connected to the outer diameter of the pipe, the shrinkable sleeve forming a circuit around the outer diameter of a portion of the pipe carrying the plurality of stabilizer blades to thereby immobilize each of the plurality of stabilizer blades when activated.
12. An apparatus as defined in claim 11,
wherein each of the elongate stabilizer blades comprises a proximal end, a distal end, and a medial portion, the medial portion comprising a pipe-facing surface, a well-bore facing surface opposite the pipe-facing surface, and a pair of side surfaces extending therebetween; and
wherein when activated, the shrinkable sleeve form-fits around and in direct contact with each pair of side surfaces and the well-bore facing surface of each of the plurality of stabilizer blades.
13. An apparatus as defined in claim 12, wherein the shrinkable sleeve is a heat-shrinkable sleeve, and wherein, when activated, the heat-shrinkable sleeve further form-fits around and in direct contact with the proximal end and the distal end of each of the plurality of stabilizer blades and around outer surface portions of the pipe between each adjacent one of the plurality of stabilizer blades.
14. An apparatus as defined in claim 12, wherein the shrinkable sleeve is a heat-shrinkable epoxy sheet.
15. An apparatus as defined in claim 12, wherein the shrinkable sleeve further comprises an ultraviolet (UV) light activated protective fiberglass sheet surrounding a heat-shrinkable epoxy sheet when operably positioned around the plurality of stabilizer blades.
16. An apparatus as defined in claim 11, wherein each of the plurality of wire receiving apertures, includes a first wire receiving aperture of the plurality of apertures extending through at least one lateral portion of the respective stabilizer blade adjacent a portion of the proximal end, a second wire receiving aperture of the plurality of apertures extending through at least one lateral portion of the respective stabilizer blade adjacent a portion of the distal end.
17. An apparatus as defined in claim 16, wherein the plurality of wire receiving apertures further includes a third wire receiving aperture extending through a medial portion of the respective stabilizer blade.
18. An apparatus as defined in claim 11, each of the plurality of stabilizer blades comprises a low-shear resistance removable pressure sensitive adhesive positioned on a pipe-facing surface of the blade.
19. An apparatus as defined in claim 11,
wherein the pipe comprises well casing; and
wherein each of the stabilizer blades comprise ultra-high-molecular-weight polyethylene.
20. A stabilizer apparatus formed around an outer diameter of a pipe, the apparatus comprising:
a plurality of elongate stabilizer blades configured to connect around an outer diameter of the pipe to thereby enhance position stability of the pipe when operably positioned within a well bore, each of the elongate stabilizer blades comprising as proximal end, a distal end, a medial portion comprising a pipe-facing surface, a well-bore facing surface opposite the pipe-facing surface, and a pair of side surfaces extending therebetween, and a plurality of wire receiving apertures, a first wire receiving aperture of the plurality of apertures extending through at least one lateral portion of the respective stabilizer blade adjacent a proximal end portion, a second wire receiving aperture of the plurality of apertures extending through at least one lateral portion of the respective stabilizer blade adjacent a distal end portion, and a third wire receiving aperture extending through a medial portion of the respective stabilizer blade, each separate one of the plurality of wire receiving apertures in each of the stabilizer blades being substantially radially aligned with a corresponding separate one of the plurality of wire receiving apertures in each other of the plurality of stabilizer blades when the stabilizer blades are operably positioned around the outer diameter of the pipe to thereby form a corresponding at least three sets of adjacent wire receiving apertures;
a first section of wire extending through a first set of adjacent wire receiving apertures, a second section of wore extending through a second set of adjacent wire receiving apertures, and a third section of wire extending through a third set of adjacent wire receiving apertures, when the stabilizer blades are operably positioned around the outer diameter of the pipe, the first section of wire at least substantially extending around the outer diameter of a portion of the pipe adjacent a proximal end thereof, the second section of wire at least substantially extending around the outer diameter of a portion of the pipe adjacent a dismal end thereof, the third section of wire at least substantially extending around the outer diameter of a portion of the pipe adjacent a medial portion thereof, the wires semi-permanently connecting the plurality of stabilizer blades to the outer diameter of the pipe; and
a shrinkable sleeve sized to wrap around an outer surface of each of the plurality of stabilizer blades when connected to the outer diameter of the pipe, the shrinkable sleeve forming a circuit around the outer diameter of a portion of the pipe carrying the plurality of stabilizer blades to thereby immobilize each of the plurality of stabilizer blades, the shrinkable sleeve configured to form-fit around and in direct contact with each pair of side surfaces, the proximal and distal ends, and the well-bore facing surface of each of the plurality of stabilizer blades and around outer surface portions of the pipe between each adjacent one of the plurality of stabilizer blades to thereby immobilize each of the plurality of stabilizer blades when activated.
21. An apparatus as defined in claim 20,
wherein each of the stabilizer blades comprise ultra-high-molecular-weight polyethylene; and
wherein the shrinkable sleeve comprises:
a heat-shrinkable epoxy sheet, and
an ultraviolet (UV) light activated protective fiberglass sheet surrounding the heat-shrinkable epoxy sheet when operably positioned around the plurality of stabilizer blades.