What is claimed is:
1. A dispenser drain attachments comprising:
a first one-piece structural part forming a threaded cap with a tapering drain socket, said first one-piece structural part being made of a material moldable in an injection-molding procedure;
a second one-piece structural part forming a drain tube having a double diaphragm for sealing said drain tube, said double diaphragm being located within said drain tube and having deformable diaphragm disks, said second one-piece structural part further including elastic gas bellows for dispensing a flowable media by alternately deforming said deformable diaphragm disks of said double diaphragm, said elastic gas bellows acting as one-way valves as a result of changed pressure conditions occurring when said elastic gas bellows is deformed via compression and release, said second one-piece structural part being made of a material moldable in an injection-molding procedure; and,
means for attaching said first one-piece structural part to said second one-piece structural part, said means for attaching being formed as an integral part of at least one of said first one-piece structural part or said second one-piece structural part;
said dispenser drain attachment consisting of said first one-piece structural part and said second one-piece structural part with each of said one-piece structural parts made via two-component injection molding.
2. The dispenser drain attachment according to claim 1, wherein said tapered drain socket of said threaded cap of said first one-piece structural part has a perforated terminating element with an extension, with said double diaphragm of said second one-piece structural part being molded onto said extension.
3. The dispenser drain attachment according to claim 1, wherein said double diaphragm is made of an elastic, injection-moldable rubber material.
4. The dispenser drain attachment according to claim 1, further comprising a lateral receiving sleeve shaped on an outer side of said drain tube, said lateral receiving sleeve merges on one side into a film hinge, onto which a retaining ring with a collar is molded, said collar being capable of being tightly clipped into said lateral receiving sleeve.
5. The dispenser drain attachment according to claim 1, wherein said drain socket of said first one-piece structural part and said drain tube of said second one-piece structural part are injection-molded from a polyolefin.
6. The dispenser drain attachment according to claim 5, wherein said polyolefin is a member selected from the group consisting of polypropylene, polyethylene and polyamide.
7. The dispenser drain attachment according to claim 1, wherein said double diaphragm and said elastic gas bellows are injection-molded from a thermoplastic elastomer.
8. The dispenser drain attachment according to claim 1, further comprising a collar molded around said drain socket on said threaded cap, said collar having a recess extending entirely around its inner wall, with a bulge extending entirely around an upper edge of a mouth of said drain tube and fitting into said recess.
9. The dispenser drain attachment according to claim 1, further comprising a lateral receiving sleeve injection-molded onto an outer side and laterally on said drain tube comprising a bulging inner edge, with a retaining ring connected with said lateral receiving sleeve via a film hinge comprising a collar with a bulging outer edge, so that said retaining ring is clipable onto said lateral receiving sleeve in a sealing manner so that said collar of said retaining ring is able to fit tightly into said lateral receiving sleeve.
10. The dispenser drain attachment according to claim 9, wherein said retaining ring is pivotable by 180 onto said lateral receiving sleeve and tightly clipped onto said lateral receiving sleeve.
11. The dispenser drain attachment according to claim 1, wherein said means for attaching said first one-piece structural part to said second one-piece structural part includes tightly plugging said first one-piece structural part with said second one-piece structural part.
12. A method for manufacturing a dispenser drain attachment, said dispenser drain attachment including:
a first one-piece structural part forming a threaded cap with a tapering drain socket, said first one-piece structural part being made of a material moldable in an injection-mold-ing procedure;
a second one-piece structural part forming a drain tube having a double diaphragm for sealing said drain tube, said double diaphragm being located within said drain tube and having deformable diaphragm disks, said second one-piece structural part further including elastic gas bellows for dispensing a flowable media by alternately deforming said deformable diaphragm disks of said double diaphragm, said elastic gas bellows acting as one-way valves as a result of changed pressure conditions occurring when said elastic gas bellows is deformed via compression and release, said second one-piece structural part being made of a material moldable in an injection-molding procedure; and,
means for attaching said first one-piece structural part to said second one-piece structural part, said means for attaching being formed as an integral part of at least one of said first one-piece structural part or said second one-piece structural part, said method comprising the steps of:
(a) a two-component injection-molding procedure for making said first one-piece structural part;
(b) a two-component injection-molding procedure for making said second one-piece structural part; and,
(c) attaching said first one-piece structural part to said second one-piece structural part to complete manufacture of said dispenser drain attachment.
13. The method for manufacturing a dispenser drain attachment according to claim 12, wherein said attaching step is carried out by plugging said first one-piece structural part with said second one-piece structural part to form said dispenser drain attachment.
14. The method for manufacturing a dispenser drain attachment according to claim 12, wherein said tapered drain socket of said threaded cap of said first one-piece structural part has a perforated terminating element with an extension, with said double diaphragm of said second one-piece structural part being molded onto said extension.
15. The method for manufacturing a dispenser drain attachment according to claim 12, wherein said double diaphragm is made of an elastic, injection-moldable rubber material.
16. The method for manufacturing a dispenser drain attachment according to claim 12, further comprising a lateral receiving sleeve shaped on an outer side of said drain tube, said lateral receiving sleeve merges on one side into a film hinge, onto which a retaining ring with a collar is molded, said collar being capable of being tightly clipped into said lateral receiving sleeve.
17. The method for manufacturing a dispenser drain attachment according to claim 12, wherein said drain socket of said first one-piece structural part and said drain tube of said second one-piece structural part are injection-molded from a polyolefin.
18. The method for manufacturing a dispenser drain attachment according to claim 17, wherein said polyolefin is a member selected from the group consisting of polypropylene, polyethylene and polyamide.
19. The method for manufacturing a dispenser drain attachment according to claim 12, wherein said double diaphragm and said elastic gas bellows are injection-molded from a thermoplastic elastomer.
20. The method for manufacturing a dispenser drain attachment according to claim 12, further comprising a collar molded around said drain socket on said threaded cap, said collar having a recess extending entirely around its inner wall, with a bulge extending entirely around an upper edge of a mouth of said drain tube and fitting into said recess.
21. The method for manufacturing a dispenser drain attachment according to claim 12, further comprising a lateral receiving sleeve injection-molded onto an outer side and laterally on said drain tube comprising a bulging inner edge, with a retaining ring connected with said lateral receiving sleeve via a film hinge comprising a collar with a bulging outer edge, so that said retaining ring is clipable onto said lateral receiving sleeve in a sealing manner so that said collar of said retaining ring is able to fit tightly into said lateral receiving sleeve.
22. The method for manufacturing a dispenser drain attachment according to claim 21, wherein said retaining ring is pivotable by 180 onto said lateral receiving sleeve and tightly clipped onto said lateral receiving sleeve.
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 semiconductor device, comprising:
a first well formed in a predetermined region of a semiconductor substrate;
a second well formed in a predetermined region within the first well; and
a third well formed within the first well with the third well being spaced apart from the second well at a predetermined distance,
whereby a multiple well of the semiconductor substrate comprising the sequentially formed the first well and second well, and the sequentially formed first well and third well, is formed.
2. The semiconductor device of claim 1, wherein the first well is formed using an N-type impurity, and the second well and the third well are formed using a P-type impurity.
3. A method of manufacturing a semiconductor device, the method comprising the steps of:
injecting a predetermined impurity ion into a predetermined region of a semiconductor substrate, forming a first well;
etching a predetermined region of the semiconductor substrate in which the first well is formed, forming a trench;
gap-filling the trench with a polysilicon layer;
forming an impurity region in a predetermined region within the first well so that the impurity region is connected to the polysilicon layer, forming a second well comprising the polysilicon layer and the impurity region; and
performing a predetermined impurity ion implantation process to form a third well in a predetermined region within the first well so that the third well is spaced apart from the second well at a predetermined distance.
4. The method of claim 3, comprising forming the first well by injecting an N-type impurity.
5. The method of claim 3, further comprising the step of performing an annealing process after forming the trench.
6. The method of claim 5, comprising performing the annealing process under a nitrogen atmosphere.
7. The method of claim 5, comprising performing the annealing process at a temperature of 850\xb0 C. to 1100\xb0 C. for 30 minutes to 60 minutes.
8. The method of claim 3, comprising doping the polysilicon layer with a P-type impurity.
9. The method of claim 3, comprising forming the impurity region is formed by injecting a P-type impurity and then performing an nitrogen annealing process so that the impurity region is connected to the bottom of the polysilicon layer.
10. The method of claim 3, comprising forming the third well by injecting a P-type impurity.