CN111659708A - Memory bank recovery device - Google Patents
Memory bank recovery device Download PDFInfo
- Publication number
- CN111659708A CN111659708A CN202010550540.2A CN202010550540A CN111659708A CN 111659708 A CN111659708 A CN 111659708A CN 202010550540 A CN202010550540 A CN 202010550540A CN 111659708 A CN111659708 A CN 111659708A
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- Prior art keywords
- cavity
- memory
- fixedly arranged
- clamping
- chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000015654 memory Effects 0.000 title claims abstract description 90
- 238000011084 recovery Methods 0.000 title claims abstract description 9
- 239000002245 particle Substances 0.000 claims abstract description 27
- 238000003756 stirring Methods 0.000 claims abstract description 26
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000006698 induction Effects 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 5
- 239000011550 stock solution Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 230000007306 turnover Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/80—Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/005—Preliminary treatment of scrap
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
- C22B11/02—Obtaining noble metals by dry processes
- C22B11/021—Recovery of noble metals from waste materials
- C22B11/025—Recovery of noble metals from waste materials from manufactured products, e.g. from printed circuit boards, from photographic films, paper, or baths
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/001—Dry processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A memory bank recovery device comprises a shell and a stirring cavity arranged in the shell, wherein a steering cavity is arranged in the shell, the upper end of the steering cavity is symmetrically provided with a limit cavity at left and right, a limit telescopic rod is fixedly arranged in the limit cavity, an induction sensor is fixedly arranged on the front side of the rear wall of the steering cavity, a conveying slide rail is fixedly arranged at the bottom end of the steering cavity, the invention can recover memory bars in large batch, and the memory bars are directly heated by burning alcohol when the memory bars are recovered, compared with the common use of a hot air gun, the efficiency can be greatly improved, meanwhile, the damage to memory particles caused by the disassembly of an electric iron is avoided, and the invention can greatly improve the efficiency and reduce the damage.
Description
Technical Field
The invention relates to the technical field of memory bank recovery, in particular to a memory bank recovery device.
Background
With the continuous improvement of the requirements of users on computers, more and more users start to upgrade the memories in a targeted manner, the memory upgrading method is to replace memory banks, the better memory banks can greatly improve the performance of the computers, many obsolete old memory banks are directly discarded, many memory banks can still be normally used, damaged memory banks can be recycled in a targeted manner, conductive contacts can be used for refining gold, the memories can be recycled, and the invention improves the problems.
Disclosure of Invention
The invention provides a memory bank recovery device, which overcomes the problems.
The invention is realized by the following technical scheme.
The invention relates to a memory bank recovery device, which comprises a shell and a stirring cavity arranged in the shell, wherein a steering cavity is arranged in the shell, a limiting cavity is symmetrically arranged at the upper end of the steering cavity in the left-right direction, a limiting telescopic rod is fixedly arranged in the limiting cavity, an induction sensor is fixedly arranged at the front side of the rear wall of the steering cavity, a conveying slide rail is fixedly arranged at the bottom end of the steering cavity, a clamping block is slidably arranged at the upper side of the conveying slide rail, an electromagnet is fixedly arranged at the front side of the clamping block, a turnover slide rail is fixedly arranged at the left end of the steering cavity, a turnover block is slidably arranged at the right side of the turnover slide rail, a processing cavity is arranged in the shell, the processing cavity is communicated with the steering cavity through a conveying opening, a clamping slide rail is fixedly arranged at the upper end of the processing cavity, a, the power motor is in power connection with a transmission shaft, a placing block is fixedly arranged on the lower side of the transmission shaft, a clamping cavity is arranged at the right end of the placing block, two clamping arms are symmetrically arranged in the clamping cavity in a front-back mode, a clamping slide rail is fixedly arranged at the right end of the clamping cavity, the clamping arms positioned on the rear side are fixedly connected with a slide block in the clamping slide rail, a conductive contact piece collecting box is fixedly arranged at the bottom end of the processing cavity and used for collecting conductive contact pieces, a memory collecting box is fixedly arranged at the bottom end of the processing cavity and used for collecting memory bars which are not damaged, two memory particle collecting boxes are fixedly arranged at the bottom end of the processing cavity and used for storing memory particles, picking telescopic rods are fixedly arranged on the upper sides of the two memory particle collecting boxes, a sucking disc is fixedly arranged on the rear side of the picking telescopic rods, and a liquid storage cavity is fixedly arranged on, be equipped with the stock solution chamber in the stock solution chamber, the fixed nozzle that is equipped with in stock solution chamber front side, alcohol in the combustible liquid storage chamber of nozzle heats the DRAM, the process chamber lower extreme is equipped with abandons the opening, disassembles the DRAM of accomplishing and can follow abandon the opening and throw out, the fixed base of placing that is equipped with in the process chamber, it is fixed to be equipped with the cutting motor to place the base upside, cutting motor power is connected with the transmission shaft, it is equipped with the cutting axle to place to rotate on the base, the cutting axle with the transmission shaft passes through belt drive connects, the epaxial fixed cutting blade that is equipped with of cutting.
Further, be equipped with the chamber of keeping in the casing, keep in the chamber with pass through between the stock solution chamber the transfer line intercommunication, the chamber upside of keeping in is equipped with the opening, be equipped with the upper cover in the upper opening, take off behind the upper cover accessible the upper opening to keep in the intracavity and add alcohol.
Furthermore, a detection device is fixedly arranged at the bottom end of the processing cavity and used for detecting the quality and the type of the memory bank.
Further, the stirring chamber right-hand member is equipped with the power chamber, the fixed agitator motor that is equipped with in the power chamber, agitator motor left side power is connected with the (mixing) shaft, the fixed stirring blade that is equipped with on the (mixing) shaft, agitator motor starts to drive the (mixing) shaft and stirs the rotatory stirring of blade to the deposit.
Furthermore, a detector is fixedly arranged at the left end of the processing cavity and used for judging the direction of memory particles on the memory bank.
The invention has the beneficial effects that: the invention is directed at the memory particles and the conductive contact pieces of the waste memory bars to be recycled, the invention can recycle the memory bars in large batch, and the memory particles are directly heated by burning alcohol when being recycled.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure at A-A in FIG. 1;
FIG. 3 is a schematic view of the structure at B-B in FIG. 1;
FIG. 4 is a schematic view of the structure at C-C in FIG. 1;
FIG. 5 is a schematic view of the structure of FIG. 1 at D;
fig. 6 is a schematic diagram of the structure at E in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The memory bank recycling device comprises a shell 10 and a stirring cavity 11 arranged in the shell 10, wherein a turning cavity 28 is arranged in the shell 10, the upper end of the turning cavity 28 is provided with a limiting cavity 30 in bilateral symmetry, the limiting cavity 30 is fixedly provided with a limiting telescopic rod 29, the front side of the rear wall of the turning cavity 28 is fixedly provided with an induction sensor 22, the bottom end of the turning cavity 28 is fixedly provided with a conveying slide rail 25, the upper side of the conveying slide rail 25 is provided with a clamping block 31 in a sliding manner, the front side of the clamping block 31 is fixedly provided with an electromagnet 24, the left end of the turning cavity 28 is fixedly provided with a turnover slide rail 27, the right side of the turnover slide rail 27 is provided with a turnover block 26 in a sliding manner, a processing cavity 16 is arranged in the shell 10, the processing cavity 16 is communicated with the turning cavity 28 through a conveying opening 32, and the upper end of the processing cavity 16, a conveying telescopic rod 45 is arranged on the lower side of the clamping slide rail 17 in a sliding manner, a power motor 44 is fixedly arranged on the lower side of the conveying telescopic rod 45, the power motor 44 is in power connection with a transmission shaft 39, a placing block 43 is fixedly arranged on the lower side of the transmission shaft 39, a clamping cavity 42 is arranged at the right end of the placing block 43, two clamping arms 41 are symmetrically arranged in the clamping cavity 42 in a front-back manner, a clamping slide rail 40 is fixedly arranged at the right end of the clamping cavity 42, the clamping arm 41 positioned at the rear side is fixedly connected with a slide block in the clamping slide rail 40, a conductive contact piece collecting box 19 is fixedly arranged at the bottom end of the processing cavity 16, the conductive contact piece collecting box 19 is used for collecting conductive contact pieces, a memory collecting box 54 is fixedly arranged at the bottom end of the processing cavity 16 and used for collecting memory strips which are not damaged, and two memory, the memory particle collecting box 55 is used for storing memory particles, the upper sides of two memory particle collecting boxes 55 are fixedly provided with picking telescopic rods 37, the rear side of each picking telescopic rod 37 is fixedly provided with a sucking disc 35, the upper side of each memory particle collecting box 55 is fixedly provided with a liquid storage cavity 21, a liquid storage cavity 52 is arranged in each liquid storage cavity 21, the front side of each liquid storage cavity 21 is fixedly provided with a nozzle 51, each nozzle 51 can burn alcohol in each liquid storage cavity 52 to heat the memory particles, the lower end of each processing cavity 16 is provided with a discarding opening 20, the disassembled memory particles can be thrown out from the discarding opening 20, a placing base 56 is fixedly arranged in each processing cavity 16, a cutting motor 50 is fixedly arranged on the upper side of the placing base 56, the cutting motor 50 is in power connection with a transmission shaft 49, a cutting shaft 47 is rotatably arranged on the placing base 56, and the cutting shaft 47 is in transmission connection with the transmission shaft 49 through a belt 48, the cutting shaft 47 is fixedly provided with a cutting blade 46.
Beneficially, a temporary storage cavity 53 is arranged in the housing 10, the temporary storage cavity 53 is communicated with the liquid storage cavity 52 through the liquid conveying pipe 33, an upper opening 36 is arranged on the upper side of the temporary storage cavity 53, an upper cover 34 is arranged in the upper opening 36, and after the upper cover 34 is removed, alcohol can be added into the temporary storage cavity 53 through the upper opening 36.
Advantageously, a detecting device 23 is fixed at the bottom end of the processing chamber 16, and the detecting device 23 is used for detecting the quality and the kind of the memory bank.
Beneficially, the right end of the stirring cavity 11 is provided with a power cavity 14, a stirring motor 15 is fixedly arranged in the power cavity 14, the left side of the stirring motor 15 is in power connection with a stirring shaft 12, a stirring blade 13 is fixedly arranged on the stirring shaft 12, and the stirring motor 15 is started to drive the stirring shaft 12 and the stirring blade 13 to rotate to stir the memory.
Advantageously, a detector 57 is fixed to the left end of the processing chamber 16, and the detector 57 is used for determining the direction of memory particles on the memory bank.
The working steps are as follows: pouring a large number of memory chips into the stirring cavity 11, starting the stirring motor 15 to drive the stirring shaft 12 to rotate to stir the memory chips, enabling one memory chip to fall into the steering cavity 28, enabling the space of the steering cavity 28 to only accommodate one memory chip, enabling one memory chip to fall into the steering cavity 28, extending the limiting telescopic rods 29 on two sides to prevent the other memory chip from falling into the steering cavity, enabling the induction sensor 22 to recognize the falling direction of the memory chips, enabling the memory chips to be in the correct position if the conductive contact contacts face downwards, enabling the memory chip collecting box to rotate 180 degrees if the conductive contact contacts face upwards, enabling one end of each memory chip to be located on the overturning block 26, enabling the other end of each memory chip to be located at the bottom end of the steering cavity 28, enabling the overturning slide rail 27 to be started to drive the overturning block 26 to slide upwards, enabling the conveying slide rail 25 to drive the clamping block 31 to slide leftwards, enabling the memory chips to rotate the memory chip collecting box 180 degrees, the clamping blocks 31 on the front side and the rear side are close to each other to clamp the memory bank, the clamping blocks 31 slide rightwards to transport the memory bank through the transport opening 32 into the processing cavity 16, the clamping slide rails 17 are started to drive the transport telescopic rods 45 to move leftwards to a proper position, the transport telescopic rods 45 are started to extend downwards to a proper position, the clamping slide rails 40 are started to drive the clamping arms 41 on the rear side to slide forwards to clamp the memory bank, the detector 57 judges the direction of the memory bank particles, the direction of the memory bank particles needs to move forwards, if the direction is towards the rear side, the power motor 44 is started to drive the transmission shaft 39 and the placing block 43 to rotate 180 degrees to drive the memory bank particle collecting box to move forwards, the transport telescopic rods 45 slide rightwards to a proper position, the transport telescopic rods 45 are started to extend downwards to insert the memory bank into the detection device 23, the detection device 23 identifies the type and quality of the memory bank, if the memory bank is not, the clamping arm 41 at the rear side slides backwards to be loosened, the memory bank falls into the memory collecting box 54, if the memory bank is damaged, the transportation telescopic rod 45 slides to the upper side of one of the two memory particle collecting boxes 55 according to the different memory types, the nozzle 51 starts alcohol in the combustion liquid storage cavity 52 to heat the memory bank, meanwhile, the picking telescopic rod 37 extends backwards to be close to the memory bank, the sucking disc 35 sucks the memory bank particles and takes down the memory bank to be placed in the memory particle collecting box 55, all the memory bank particles are taken down and the nozzle 51 is closed, the picking telescopic rod 37 is shortened to the initial position, the transportation telescopic rod 45 continues to slide rightwards, the cutting motor 50 starts to drive the cutting blade 46 to rotate, the memory bank is cut by the cutting blade 46 after the transportation telescopic rod 45 moves rightwards for a section, the transportation telescopic rod 45 continues to slide rightwards, the conductive contact of the memory bank is completely cut down and falls into the conductive contact collecting box 19, the recovery of the memory chips is completed, the residual memory chips can be thrown into the discarding opening 20, then the limit telescopic rod 29 shortens the next memory chip and falls into the steering cavity 28 for repeated steps, and when the alcohol stored in the temporary storage cavity 53 is used up, the upper cover 34 can be taken down to add the alcohol into the temporary storage cavity 53 through the upper opening 36.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a DRAM recovery unit, includes the casing and set up in stirring chamber in the casing, its characterized in that: a steering cavity is arranged in the shell, limiting cavities are symmetrically arranged at the upper end of the steering cavity in the left-right direction, a limiting telescopic rod is fixedly arranged in the limiting cavity, an induction sensor is fixedly arranged at the front side of the rear wall of the steering cavity, a conveying slide rail is fixedly arranged at the bottom end of the steering cavity, a clamping block is slidably arranged at the upper side of the conveying slide rail, an electromagnet is fixedly arranged at the front side of the clamping block, a turning slide rail is fixedly arranged at the left end of the steering cavity, a turning block is slidably arranged at the right side of the turning slide rail, a treatment cavity is arranged in the shell, the treatment cavity is communicated with the steering cavity through a conveying opening, a clamping slide rail is fixedly arranged at the upper end of the treatment cavity, a conveying telescopic rod is slidably arranged at the lower side of the clamping slide rail, a power, the device comprises a placing block, a processing cavity, a memory particle collecting box, a picking telescopic rod, a sucking disc, a liquid storage cavity and a nozzle, wherein the right end of the placing block is provided with a clamping cavity, two clamping arms are symmetrically arranged in the clamping cavity in a front-back manner, the right end of the clamping cavity is fixedly provided with a clamping slide rail, the clamping arm positioned at the rear side is fixedly connected with a slide block in the clamping slide rail, the bottom end of the processing cavity is fixedly provided with the conductive contact blade collecting box, the conductive contact blade collecting box is used for collecting conductive contact blades, the bottom end of the processing cavity is fixedly provided with the memory collecting box, the memory collecting box is used for collecting undamaged memory strips, the bottom end of the processing cavity is fixedly provided with two memory particle collecting boxes, the memory particle collecting box is used for storing memory particles, the picking telescopic rod is fixedly arranged on the upper sides of the two memory particle, alcohol in the combustible liquid storage chamber of nozzle heats the DRAM, the process chamber lower extreme is equipped with discards the opening, disassembles the DRAM of accomplishing and can follow abandon the opening and throw out, the fixed base of placing that is equipped with in the process chamber, it is fixed to be equipped with the cutting motor to place the base upside, cutting motor power connection has the transmission shaft, it is equipped with the cutting axle to place to rotate on the base, the cutting axle with the transmission shaft passes through belt drive connects, the epaxial fixed cutting blade that is equipped with of cutting.
2. The memory bank recycling device of claim 1, wherein: be equipped with the chamber of keeping in the casing, keep in the chamber with pass through between the stock solution chamber the transfer line intercommunication, the chamber upside of keeping in is equipped with the opening, be equipped with the upper cover in the upper opening, take off accessible behind the upper cover the upper opening to the intracavity of keeping in adds alcohol.
3. The memory bank recycling device of claim 1, wherein: and a detection device is fixedly arranged at the bottom end of the processing cavity and is used for detecting the quality and the type of the memory bank.
4. The memory bank recycling device of claim 1, wherein: the stirring chamber right-hand member is equipped with the power chamber, the fixed agitator motor that is equipped with in the power chamber, agitator motor left side power is connected with the (mixing) shaft, the fixed stirring blade that is equipped with on the (mixing) shaft, agitator motor starts to drive the (mixing) shaft and stirs the rotatory internal memory of blade and stirs.
5. The memory bank recycling device of claim 1, wherein: and a detector is fixedly arranged at the left end of the processing cavity and is used for judging the direction of memory particles on the memory bank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010550540.2A CN111659708A (en) | 2020-06-16 | 2020-06-16 | Memory bank recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010550540.2A CN111659708A (en) | 2020-06-16 | 2020-06-16 | Memory bank recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111659708A true CN111659708A (en) | 2020-09-15 |
Family
ID=72387990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010550540.2A Withdrawn CN111659708A (en) | 2020-06-16 | 2020-06-16 | Memory bank recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111659708A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112520358A (en) * | 2021-01-12 | 2021-03-19 | 成都连辉宏科技有限公司 | Categorised recovery plant of DRAM |
-
2020
- 2020-06-16 CN CN202010550540.2A patent/CN111659708A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112520358A (en) * | 2021-01-12 | 2021-03-19 | 成都连辉宏科技有限公司 | Categorised recovery plant of DRAM |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200915 |