WO2005091346A1 - スピンエッチングにおける工程管理方法及びスピンエッチング装置 - Google Patents
スピンエッチングにおける工程管理方法及びスピンエッチング装置 Download PDFInfo
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- WO2005091346A1 WO2005091346A1 PCT/JP2004/003817 JP2004003817W WO2005091346A1 WO 2005091346 A1 WO2005091346 A1 WO 2005091346A1 JP 2004003817 W JP2004003817 W JP 2004003817W WO 2005091346 A1 WO2005091346 A1 WO 2005091346A1
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- 238000005530 etching Methods 0.000 title claims abstract description 495
- 238000000034 method Methods 0.000 title claims abstract description 73
- 235000012431 wafers Nutrition 0.000 claims abstract description 171
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 239000000243 solution Substances 0.000 claims description 96
- 239000000126 substance Substances 0.000 claims description 46
- 230000008569 process Effects 0.000 claims description 38
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 238000012790 confirmation Methods 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000003814 drug Substances 0.000 claims description 3
- 229940079593 drug Drugs 0.000 claims description 3
- 238000007726 management method Methods 0.000 claims 2
- 238000001035 drying Methods 0.000 abstract description 9
- 238000005259 measurement Methods 0.000 description 15
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 10
- 238000004886 process control Methods 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000010791 quenching Methods 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004334 sorbic acid Substances 0.000 description 1
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- 230000037221 weight management Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/3065—Plasma etching; Reactive-ion etching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/20—Sequence of activities consisting of a plurality of measurements, corrections, marking or sorting steps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/30604—Chemical etching
Definitions
- the present invention relates to a process in spin etching, for example, a novel method of managing an etching amount and a chemical solution, and a spin-etching apparatus.
- the chemical solution is usually circulated and used, and as the number of processed wafers increases, the etching rate decreases.
- the most important management item is the thickness control of the wafer after the etching process. Since the thickness is controlled, it is preferable to measure the thickness of the wafer directly.
- pattern processing and electrodes are formed on most wafers, and there are also cases where tapes or glass substrates are attached to protect the pattern surface. Under such various conditions, the method of measuring the thickness accurately is very difficult or requires an extremely expensive measuring instrument. Disclosure of the invention
- the present invention has been made in view of such a situation of the prior art, and it is possible to realize a uniform etching amount in an etching process even under various conditions of the wafer and to make the thickness between the wafers after the etching uniform.
- Process control method in spin-etching and spin-etching It is an object to provide a chucking device.
- An object of the present invention is to carry out weight control of the wafer as a method of controlling the etching amount of the wafer to be constant when spin etching the wafer.
- the first aspect of the process control method in spin etching according to the present invention ( ⁇ a method for controlling the amount of wafer removed by etching) at a constant rate is as follows:
- Etching time by T The third step of calculating [In the formula (1), ⁇ . : Etching time (mi ⁇ ), V. : Target etching amount (g), R: Initial value R of etching rate of etching solution to be used.
- Etch rate of the etchant after etching by R! calculate the [equation (2), R i: etchant the etching rate after etching (g / min), W l : Weno before etching weight ⁇ (g), W 2: Uweha Etchingu of After weight (g), T. : Etching time]
- etching rate R t of the etching solution after etching consists of a eighth step of determining whether it is within the allowable range
- the above-described first to seventh steps are performed for the next wafer, while the etching rate is out of the allowable range in the eighth step. If it is determined that, after pouring the poured liquid chemical etchant, was performed a ninth step of returning the etching rate Ichito Ri in etching rate 1 2 near the initial value Ro, The first step to the seventh step are performed for the next wafer.
- spin-etching can be continuously performed while controlling the etching amount V to be constant.
- the second aspect of the process control method in spin etching of the present invention (method for controlling the finished weight of a wafer constant) is as follows.
- the first to eighth steps are performed for the next wafer, while the etching rate in the ninth step is! If ⁇ is out of the permissible range, a pouring solution is added to the etching solution, and its etching rate 1 ⁇ is set to the initial value R. After performing the first 0 step of returning to the etching rate R 2 in the vicinity, characterized in that the so that to implement the first step to the eighth step for the next Ueha.
- spin-etching can be continuously performed while controlling the finished weight of the wafer to be constant.
- the etching time T is determined by the equation (1).
- the initial value R of the etching rate of the etching solution to be used is used as the etching rate R when obtaining the etching time T by the equation (4).
- Etching rate R after etching or Etching rate R Etching rate of liquid after injection. Is used. Etching of the etchant at the start of use Great initial value R.
- the confirmation processing of the etching rate R 2 of the pouring liquid chemical to the etching solution poured to etchant returns the etch rate in the vicinity of their initial values after use, dummy as described below It is preferable to perform confirmation measurement by separately providing a measurement step using a wafer.
- the weight management of the wafer is performed.
- the method is roughly performed in the following procedure.
- the weight of the wafer is measured in l / 100 g units, and then a predetermined etching process is performed in the spin-etching section.
- the weight was measured again in units of 1Z1000g, and the actual etching amount was calculated from the weight subtracted before and after the etching of the wafer, and the etching rate of the etching solution was checked each time. And control the etching time.
- the first wafer After pouring a new etchant or pouring solution, the first wafer is a dummy wafer. Perform an etching process with a fixed time and check the etching rate. In the processing of the second and subsequent sheets, the change in the etching rate of the etching solution is calculated from the change in the post-etching weight of the wafer, and time control is performed to correct the insufficient etching due to the reduction in the etching rate. The correction of only the extension of the etching time extends the processing time and reduces the productivity, so the maximum correction time or the limit value of the etching rate If it becomes more than that, add a chemical to the chemical circulation system to recover the etching rate.
- a spin etching apparatus includes a spin etching section for etching a wafer, a chemical liquid circulation tank for storing and circulating an etching liquid, and a chemical liquid supply for supplying an etching liquid from the chemical liquid circulation tank to the spin etching section.
- a chemical solution recovery line for collecting the etching liquid used in the spin etching section into the chemical solution circulation tank; and a weight measuring section for measuring the weight before and after the etching performed by the spin etching section.
- the wafer to be etched is transferred to the weight measuring section, the weight of the wafer is measured and then supplied to the spin-etching section, and the etched wafer is transferred from the spin-etching section to the weight measuring section. After measuring its weight, a hand that removes the wafer from the weight measurement unit Characterized in that a ring mechanism.
- FIG. 1 is a flowchart showing an example of a process order of the first embodiment of the method of the present invention.
- FIG. 2 is a flowchart showing another example of the process order of the second embodiment of the method of the present invention.
- FIG. 3 is a flowchart showing an example of the process sequence of the etching rate confirmation process.
- FIG. 4 is a block diagram showing one embodiment of the spin-etching apparatus of the present invention.
- FIG. 5 is a graph showing the etching change characteristics with respect to the number of processed wafers in Example 1.
- FIG. 6 shows the amount of etching with respect to the number of processed wafers in Example 1, 5 is a graph showing changes in an etching rate and an etching time.
- FIG. 7 is a graph showing changes in the amount of etching, the etching rate, and the etching time with respect to the number of processed wafers in Example 2.
- FIG. 8 is a graph showing changes in the post-etching weight and the etching rate with respect to the number of processed wafers in Example 3.
- a spin etching apparatus 10 has a spin etching section 12 for performing spin etching of wafers.
- Numeral 14 is a chemical circulation tank for storing and circulating the etching liquid.
- the etching liquid is supplied from the chemical liquid circulation tank to the spin etching section 12 via a chemical liquid supply line 16, and the etching liquid used in the spin etching section 12 is supplied via a chemical liquid recovery line 18.
- the liquid is collected in the chemical circulation tank 14.
- Reference numeral 20 denotes a chemical circulation pump provided in the chemical supply line 16, which is used when the etching liquid is supplied from the chemical circulation tank 14 to the spin-etching unit 12.
- Reference numeral 2 denotes a chemical storage tank for storing a new etching liquid, which is connected to the chemical circulation tank 14 via a chemical injection pump 24, and injects a new etching liquid into the chemical circulation tank 14 as necessary.
- Reference numeral 26 denotes a weight measuring unit which measures the weight of the wafer etched by the spin etching unit before and after etching.
- Reference numeral 28 denotes a handle provided adjacent to the spin-etching section and having a robot hand section 28a.
- the wafer stored and etched in the load cassette 30 is transferred to the weight measuring section 26 in the loading mechanism section, the weight is measured, and the wafer whose weight before etching is measured is transferred to the spin-etching section.
- the etched wafer is transferred from the spin-etching section to the weight measuring section 26, and the weight is measured. Moves to load cassette 32 and removes it.
- Reference numeral 34 denotes a control unit composed of a computer or the like, which is electrically connected to the spin etching unit 12, the weight measurement unit 26, the handling mechanism unit 28, and the chemical solution injection pump 24. The necessary control of each member is performed by exchanging signals.
- the control section 34 exchanges signals with the handling mechanism section 28 to transfer the weight from the load cassette 30 to the weight measurement section.
- the robot hand unit 28 a of 28 is driven to perform the operation.
- the control unit 34 controls the work of measuring the weight of the wafer in the weight measurement unit 26 by exchanging signals with the weight measurement unit 26, and transmits the weight data signal from the weight measurement unit 26. Receive.
- control section 34 controls the etching operation (etching time, rinsing time, drying time, etc.) by exchanging signals with the spin etching section 12.
- the control unit 34 calculates the etching rate from the difference between the etching time and the wafer weight before and after the etching.
- etching rate 34 has a function of comparing the calculated etching rate with a predetermined initial value of the etching rate to determine whether or not the etching rate is within an allowable range. Has an etching rate In order to return the value to near the initial value, a chemical solution injection signal is issued to the chemical solution injection pump 24 to cause a predetermined amount of chemical solution to be injected into the chemical solution circulation tank 14. In addition,
- the dummy wafer is etched.
- the above-described load cassette 30 or unload cassette 32 is replaced with a dummy wafer platform, and other members are the same.
- the etching process can be performed similarly.
- the first embodiment is a method for controlling the amount of wafer removed by etching (FIG. 1)
- the second embodiment is a method for uniformly controlling the finished weight of wafer (FIG. 2).
- the first embodiment of the process control method in the spin-etching of the present invention using the above-described spin-etching apparatus of the present invention (method of controlling the wafer etching amount to be constant) will be described with reference to FIG.
- a process for confirming the etching rate R of the etchant to be used is performed (preliminary step, step 100).
- This etching rate confirmation process will be described in detail later.
- Force S initial value R of etching solution used.
- NOTE etching rate R 2 of the pressurizing liquid chemical Etsu quenching liquid was poured measuring confirmation.
- a wafer to be spin-etched is prepared and set on the load cassette 30. As shown in FIG. 1, one wafer is taken out from the load cassette 30 (first step, step 102). The wafer is transferred to the weight measuring section 26 by the robot hand section 28a, and the weight before etching is measured (second step, step 104).
- T. Etching time (mi ⁇ ), V. : Target etching amount (g), R: etching rate of etching solution to be used (g / min)].
- this etching rate R is the initial value R of the etching solution used.
- a etching rate Ichito 1 2 was poured etch Ngureto R or poured for chemical etching solution after etching the etching solution.
- the etching time T calculated by transferring the wafer to the spin etching unit 12 by the robot hand unit 28a is calculated. Only the wafer is subjected to spin etching, and predetermined rinsing and drying are performed.
- the spin-etching process (the fourth step, step 108) including the spin-etching, rinsing, and drying processes is shown.
- Step 1 1 Measure the weight W 2 after etching to transfer the Ueha making this Supinetsuchingu process the weight measurement unit 2 6 by robot Tohando 2 8 a (fifth step, Step 1 1 0).
- the control unit 34 calculates the etching rate of the etching solution after the etching process by the following equation (2) (the sixth step, step 112).
- etching rate (g / min) of the etching solution after etching W l : weight before etching (g) of the wafer, W 2 : weight (g) after etching of the wafer, TQ: etching time].
- the etched wafer is housed in the unloading cassette 32 by means of the robot and the handle 28a (the seventh step, step 114).
- the control unit 34 determines whether or not the calculated etching rate is within a predetermined allowable range of the etching rate (eighth step, step 118). In the eighth step, when it is determined that the calculated etching rate RE is within the allowable range (YES), the first to seventh steps are performed for a new next wafer.
- the etching liquid stored in the chemical circulation tank 14 is poured into the etching liquid (new etching liquid). ) And set the etching rate R to the initial value R. Back to the etching rate R 2 in the vicinity (the ninth step, Step 1 2 0). Then, the first to seventh steps described above are performed for the new next wafer.
- the etching rate R 2 is, as described above, is determined by the etching rate confirmation treatment, the etching rate R 2 is used as the etching rate R which in formula (1). As shown in FIG.
- step 116 when an end determination step (step 116) is provided between the seventh step (step 114) and the eighth step (step 118), and the next etching is performed. In this case, it is preferable to move to the eighth step (step 118) and to terminate the operation if the next etching is not performed.
- a second embodiment (a method for controlling the finished weight of wafers) at a constant level in the process of spinning according to the present invention using the spinjetting apparatus according to the present invention will be described with reference to FIG.
- a process of confirming the etching rate R of the etchant to be used is performed (preliminary process, step 100).
- a wafer to be spin-etched is prepared and set on the load cassette 30.
- one wafer is taken out of the load cassette 30 (first step, step 102).
- the wafer is transferred to the weight measuring section 26 by the robot hand section 28a, and the weight before etching is obtained.
- Measure 3 (second step, step 104).
- the controller 34 calculates the etching amount V for the wafer by the following equation (3) (third step, step 105).
- V W X — W 0 (3)
- V etching amount (g)
- W 1 Etsu quenching before the weight of Uweha (g)
- W Q Finishing weight Ueha, i.e. weight after E Tsuchingu a target].
- the control unit 34 calculates the etching time T for the wafer from the etching rate R of the etching solution to be used and the etching amount V by the following formula (4) (fourth step, step 106).
- T etching time (min)
- V etching amount (g)
- R etching rate of the used etching solution (g / min)].
- the etching rate R is the initial value R of the etching solution used.
- the etching rate of the etching solution after etching 1, R! Or pouring drug solution is an etching rate R 2 of the pouring the etchant.
- the wafer is transferred to the spin etching section 12 by the robot node section 28a, and spin etching is performed on the wafer for the calculated etching time T, and a predetermined rinsing and drying process is performed. I do.
- the spin-etching process (the fifth step, step 108) including the spin-etching, rinsing, and drying processes is shown.
- the control unit 34 determines whether the calculated etching rate is within a predetermined allowable range of the etching rate (ninth step, step 118). In the ninth step, when it is determined that the calculated etching rate Ri is within the allowable range (YES), the first to eighth steps are performed for a new next wafer. On the other hand, if it is determined in the ninth step that the etching rate R is out of the permissible range (NO), the etching liquid stored in the chemical circulation tank 14 is added to the etching liquid (new etching liquid). Solution) and set the etching rate R i to the initial value R. Back to the etching rate R 2 in the vicinity (the first 0 step, Step 1 2 0).
- the etching rate R 2 is, as described above, is determined by the etching rate over preparative confirmation process (Step 1 0 0), the etching rate one sheet 1 2 is an etching rate R in the formula (4) Used.
- an end judgment step step 116) is provided between the eighth step (step 114) and the ninth step (step 118), and the next etching is performed. If so, it is preferable to move to the ninth step (step 118), and to end the work if the next etching is not performed. is there.
- the process of confirming the etching rate of the etching solution used (the initial value R of the etching solution used; and the etching rate R 2 of the etching solution into which the injection chemical solution is injected) will be described with reference to FIG.
- the dummy wafer is transferred to the spin-etching section 12 by the robot node section 28a and has a predetermined etching time t. Only this wafer is subjected to spin etching, and a predetermined rinse and drying treatment are performed.
- the above prescribed etching time t. May be appropriately set within a range of about 10 seconds to 100 seconds.
- the spin etching process (the third step, step 204) including the spin etching, rinsing, and drying processes is shown.
- the wafer having been subjected to the spin-etching process is transferred to the weight measuring section 26 by the mouth bob node section 28a (the fourth step, step 206), and the weight after the etching is performed.
- W 2 is measured (step 5, step 2 0 8).
- the etching rate r of the etching solution is obtained. Is calculated by the following equation (6) (the sixth process, step 2 1 0).
- ro etching rate of the etching solution (g / min), D: weight of the dummy wafer before etching (g), D 2 : weight of the dummy wafer after etching (g), t. : Etching time].
- the jetted enemy is transferred to the dummy pedestal by the robot node part 28a (the seventh step, step 211).
- the etching rate confirmation processing ends.
- the weight D 2 of Damiuweha is determined to be out of the specified value (NO) in the eighth step, to generate an exchange request signal Damiu Doha used (the ninth step, Step 2 1 6).
- the calculated etching rate r Is the initial value of the etching rate R if the etchant is at the start of use. The initial value is R when the injection liquid is added. It may be used as Etchingureto R 2 in the vicinity.
- the target etching amount was 20 ⁇ (1.444 g).
- the etching time was fixed to 64 seconds for 10 silicon wafers one by one, and spin-etching was performed.
- the amount (g) and the etching rate (g / min) were measured for each processing wafer, and the results are shown in Table 1 and FIG. As is clear from the results of Table 1 and FIG. 5, the etching rate decreases as the number of wafers processed increases (the etching rate after the 10th wafer processing is 1.356 (g / min)). ), It was confirmed that the etching amount also decreased in proportion to the decrease of the etching rate.
- the wafer N 0.0 in Table 1 is a dummy wafer.
- the etching rate R ⁇ in the eighth step (step 118) was determined to be within the allowable range, and no injection liquid was injected.
- An etching amount (g), an etching rate (g / min) and an etching time (sec) were measured for each of the treated wafers, and the results are shown in Table 2 and FIG. As shown in Table 2 and FIG. 6, it was found that when the etching rate was lowered, the etching time was automatically extended and the etching amount could be controlled to be substantially constant.
- the etching rate after spin-etching of the tenth wafer in this example was 1.229 (g / min).
- step 100 the process of confirming the etching rate (step 100) in FIG. 1 was performed using a dummy wafer. did.
- the etching rate of this chemical replenishment etching solution was increased to 1.668 (g / min).
- step 102 the first step (step 102) to the seventh step (step 114) of the flowchart of FIG. 1 were repeated 10 times to etch 10 wafers. Replenishment injection of the injection solution was not performed during the 10 etching treatments.
- the etching amount (g), the etching rate (g / min) and the etching time (sec) were measured for each of the treated wafers, and the results are shown in Table 3 and FIG. As shown in Table 3 and FIG. 7, it has been found that when the etching rate is lowered, the etching time is automatically extended and the etching amount can be controlled to be substantially constant.
- the etching rate after spin etching of the tenth wafer in this example was 1.523 (g / min).
- “No. A No. 0” is a dummy No. Table 3
- the etching amount can be made uniform in the etching process even when wafers under various conditions are used, and the thickness between the wafers after etching can be made uniform.
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Abstract
Description
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Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
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KR1020067011345A KR101010532B1 (ko) | 2004-03-22 | 2004-03-22 | 스핀 에칭에서의 공정 관리방법 및 스핀 에칭 장치 |
PCT/JP2004/003817 WO2005091346A1 (ja) | 2004-03-22 | 2004-03-22 | スピンエッチングにおける工程管理方法及びスピンエッチング装置 |
EP04722390.4A EP1729332B1 (en) | 2004-03-22 | 2004-03-22 | Schedule control method in spin etching |
US10/586,873 US7659212B2 (en) | 2004-03-22 | 2004-03-22 | Process control method in spin etching and spin etching apparatus |
JP2006511101A JP4364242B2 (ja) | 2004-03-22 | 2004-03-22 | スピンエッチングにおける工程管理方法及びスピンエッチング装置 |
CNB2004800414707A CN100508133C (zh) | 2004-03-22 | 2004-03-22 | 旋转蚀刻的工序管理方法及旋转蚀刻装置 |
TW094108480A TW200539267A (en) | 2004-03-22 | 2005-03-18 | Schedule control method in spin etching and spin etching system |
US12/628,603 US20100101726A1 (en) | 2004-03-22 | 2009-12-01 | Process control method in spin etching and spin etching apparatus |
Applications Claiming Priority (1)
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PCT/JP2004/003817 WO2005091346A1 (ja) | 2004-03-22 | 2004-03-22 | スピンエッチングにおける工程管理方法及びスピンエッチング装置 |
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US12/628,603 Division US20100101726A1 (en) | 2004-03-22 | 2009-12-01 | Process control method in spin etching and spin etching apparatus |
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US (2) | US7659212B2 (ja) |
EP (1) | EP1729332B1 (ja) |
JP (1) | JP4364242B2 (ja) |
KR (1) | KR101010532B1 (ja) |
CN (1) | CN100508133C (ja) |
TW (1) | TW200539267A (ja) |
WO (1) | WO2005091346A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008177329A (ja) * | 2007-01-18 | 2008-07-31 | Mitsubishi Electric Corp | ウエットエッチング方法 |
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- 2004-03-22 WO PCT/JP2004/003817 patent/WO2005091346A1/ja not_active Application Discontinuation
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Cited By (7)
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JP2008177329A (ja) * | 2007-01-18 | 2008-07-31 | Mitsubishi Electric Corp | ウエットエッチング方法 |
JP2009267115A (ja) * | 2008-04-25 | 2009-11-12 | Mitsubishi Chemicals Corp | エッチング方法及び半導体デバイス用基板の製造方法 |
JP2015135861A (ja) * | 2014-01-16 | 2015-07-27 | 株式会社東芝 | 薬液処理装置及び薬液処理方法 |
US10157756B2 (en) | 2014-01-16 | 2018-12-18 | Toshiba Memory Corporation | Chemical liquid treatment apparatus and chemical liquid treatment method |
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JP2021174786A (ja) * | 2020-04-18 | 2021-11-01 | 有限会社Nas技研 | バルクエッチング方法とバルクエッチング装置 |
JP7153361B2 (ja) | 2020-04-18 | 2022-10-14 | 有限会社Nas技研 | バルクエッチング方法とバルクエッチング装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1729332B1 (en) | 2016-10-12 |
US20080242101A1 (en) | 2008-10-02 |
KR20060126990A (ko) | 2006-12-11 |
US7659212B2 (en) | 2010-02-09 |
KR101010532B1 (ko) | 2011-01-24 |
EP1729332A1 (en) | 2006-12-06 |
CN100508133C (zh) | 2009-07-01 |
JP4364242B2 (ja) | 2009-11-11 |
JPWO2005091346A1 (ja) | 2008-02-07 |
CN1914713A (zh) | 2007-02-14 |
US20100101726A1 (en) | 2010-04-29 |
EP1729332A4 (en) | 2010-09-15 |
TW200539267A (en) | 2005-12-01 |
TWI347631B (ja) | 2011-08-21 |
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