WO2016143553A1 - 固体撮像装置および製造方法、半導体ウェハ、並びに電子機器 - Google Patents
固体撮像装置および製造方法、半導体ウェハ、並びに電子機器 Download PDFInfo
- Publication number
- WO2016143553A1 WO2016143553A1 PCT/JP2016/055793 JP2016055793W WO2016143553A1 WO 2016143553 A1 WO2016143553 A1 WO 2016143553A1 JP 2016055793 W JP2016055793 W JP 2016055793W WO 2016143553 A1 WO2016143553 A1 WO 2016143553A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- region
- measurement
- wafer
- semiconductor wafer
- chip
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 92
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 51
- 238000005259 measurement Methods 0.000 claims abstract description 141
- 238000007689 inspection Methods 0.000 claims abstract description 50
- 235000012431 wafers Nutrition 0.000 claims description 219
- 238000003384 imaging method Methods 0.000 claims description 89
- 239000010949 copper Substances 0.000 claims description 86
- 229910052710 silicon Inorganic materials 0.000 claims description 49
- 239000010703 silicon Substances 0.000 claims description 48
- 229910052802 copper Inorganic materials 0.000 claims description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 23
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 46
- 239000000758 substrate Substances 0.000 description 41
- 229910021332 silicide Inorganic materials 0.000 description 9
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 9
- 238000012545 processing Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000000608 laser ablation Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 210000004761 scalp Anatomy 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/14636—Interconnect structures
-
- 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
- H01L22/30—Structural arrangements specially adapted for testing or measuring during manufacture or treatment, or specially adapted for reliability measurements
- H01L22/34—Circuits for electrically characterising or monitoring manufacturing processes, e. g. whole test die, wafers filled with test structures, on-board-devices incorporated on each die, process control monitors or pad structures thereof, devices in scribe line
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/544—Marks applied to semiconductor devices or parts, e.g. registration marks, alignment structures, wafer maps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/14632—Wafer-level processed structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/14634—Assemblies, i.e. Hybrid structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14683—Processes or apparatus peculiar to the manufacture or treatment of these devices or parts thereof
- H01L27/14687—Wafer level processing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14683—Processes or apparatus peculiar to the manufacture or treatment of these devices or parts thereof
- H01L27/1469—Assemblies, i.e. hybrid integration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2223/00—Details relating to semiconductor or other solid state devices covered by the group H01L23/00
- H01L2223/544—Marks applied to semiconductor devices or parts
- H01L2223/54453—Marks applied to semiconductor devices or parts for use prior to dicing
- H01L2223/5446—Located in scribe lines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
Definitions
- the present technology relates to a solid-state imaging device and manufacturing method, a semiconductor wafer, and an electronic device, and particularly relates to a solid-state imaging device and manufacturing method, a semiconductor wafer, and an electronic device that can improve yield.
- CMOS Complementary Metal Oxide Semiconductor
- an inspection circuit that generates a characteristic measurement signal to be supplied to the circuit block of each chip, or supplies the signal to the circuit block of the chip to measure the characteristic, or a pad connected to the inspection circuit.
- a technique for forming on a scribe region of a semiconductor wafer has been proposed (see, for example, Patent Document 1).
- chipping occurs at the stepped portion of the pad, or the dicing blade is clogged at the Cu pattern portion, resulting in chipping.
- the circuit of the solid-state imaging device may be damaged, resulting in a decrease in yield.
- an inspection circuit is formed on the scribe region, so that a Si (silicon) layer exists on the surface of the scribe region. Therefore, for example, when the scribe region is cut by laser ablation dicing, Si and Cu in the Cu pattern are melted in the scribe region during laser processing to form Cu silicide.
- the Cu silicide generated in this way grows in such a way that the reaction progresses even at room temperature and changes its state, which causes dust. If it does so, the pixel defect of a solid-state imaging device will generate
- the present technology has been made in view of such a situation, and is intended to improve the yield at the time of manufacturing the solid-state imaging device.
- the solid-state imaging device for a plurality of pixels and a chip region provided with an element for driving the pixels, and adjacent to the chip region, and is necessary for driving the pixels. And a measurement region provided with a measurement pad for measuring the characteristics of the chip region.
- connection wiring for connecting the test circuit for measuring the characteristic and the measurement pad can be further provided.
- the inspection circuit may be further provided in the measurement area.
- the manufacturing method includes a chip region provided with a plurality of pixels and an element for driving the pixel, and provided adjacent to the chip region, and is necessary for driving the pixel.
- the semiconductor wafer is composed of a sensor wafer provided with the pixels and one or more other wafers different from the sensor wafer, and after the silicon in the dicing line portion of the sensor wafer is removed, the dicing process is performed. Can be done.
- an inspection circuit for measuring the characteristics can be further provided.
- An inspection circuit for measuring the characteristics can be further provided in the dicing line portion of the other wafer.
- the copper coverage in the dicing line can be made lower than the copper coverage in a region different from the dicing line.
- the solid-state imaging device is provided with a plurality of pixels and a chip region in which an element for driving the pixels is provided, and adjacent to the chip region. Elements and wiring necessary for the above are not provided, and a measurement area provided with a measurement pad for measuring the characteristics of the chip area is provided.
- the semiconductor wafer according to the second aspect of the present technology is provided with a chip region provided with a plurality of pixels and an element for driving the pixels, and adjacent to the chip region, and is necessary for driving the pixels.
- the semiconductor wafer includes a sensor wafer provided with the pixels and one or more other wafers different from the sensor wafer, and the dicing line portion of the sensor wafer is in a state where silicon is removed. it can.
- an inspection circuit for measuring the characteristics can be further provided.
- An inspection circuit for measuring the characteristics can be further provided in the dicing line portion of the other wafer.
- the copper coverage in the dicing line can be made lower than the copper coverage in a region different from the dicing line.
- a semiconductor wafer is provided with a plurality of pixels and a chip region provided with an element for driving the pixels, and is provided adjacent to the chip region to drive the pixels. Necessary elements and wirings are not provided, and a dicing line that divides a measurement area provided with a measurement pad for measuring the characteristics of the chip area and a plurality of areas including the chip area and the measurement area And are provided.
- the electronic device is provided with a chip region provided with a plurality of pixels and an element for driving the pixel, and adjacent to the chip region, and is necessary for driving the pixel.
- a solid-state imaging device which is not provided with an element and wiring and has a measurement region provided with a measurement pad for measuring the characteristics of the chip region.
- the solid-state imaging device is provided with a plurality of pixels and a chip region in which an element for driving the pixels is provided, and adjacent to the chip region. Elements and wiring necessary for the above are not provided, and a measurement area provided with a measurement pad for measuring the characteristics of the chip area is provided.
- the yield can be improved.
- FIG. 1 is a diagram illustrating a configuration example of an embodiment of a semiconductor wafer to which the present technology is applied. In more detail, FIG. 1 shows only a part of the semiconductor wafer.
- the semiconductor wafer 11 shown in FIG. 1 is provided with chip regions 21-1 to 21-6 in which pixel circuits, wirings, and the like constituting the solid-state imaging device are formed by stacking.
- a region between the chip regions 21-1 to 21-6 is a scribe region 22.
- the chip area 21-1 to the chip area 21-6 are also simply referred to as the chip area 21 when it is not necessary to distinguish between them.
- the chip region 21-5 includes a pixel region 31 in which pixels that receive incident light and perform photoelectric conversion are arranged in a matrix, and a peripheral region 32 surrounding the pixel region 31.
- the pixel area 31 is formed with a pixel circuit composed of a pixel driving element such as a photoelectric conversion element or a transistor, and the peripheral area 32 can be electrically connected to a wiring (not shown) or to the outside.
- Pads such as the pads 41-1 to 41-6 are provided.
- the pads 41-1 to 41-6 are also simply referred to as pads 41 when it is not necessary to distinguish them.
- a dicing line 51 which is a region to be cut (cut) during dicing, and an inspection circuit and a measurement pad for inspection electrically connected to the inspection circuit are formed.
- a use area 52 is provided.
- the dicing line 51 is an area that divides a plurality of dicing lines 51 formed on the semiconductor wafer 11 and includes a chip area 21 and a measurement area 52 that are solid-state imaging devices after being singulated.
- the measurement region 52 is not provided with elements and wiring necessary for driving the solid-state imaging device, that is, driving the pixels provided in the chip region 21, and the characteristics of the chip region 21 such as an inspection circuit and a measurement pad are not provided. This is an area where only circuits and members for measuring the above are provided.
- a measurement region 52 is provided adjacent to the chip region 21-5 between the chip region 21-5 and the dicing line 51.
- the measurement circuit 52 adjacent to the left side is provided with an inspection circuit 61 and measurement pads 62-1 to 62-6.
- the inspection circuit 61 is a circuit called a TEG (Test Element Group), and monitors the film thickness of the chip area 21, or the resistance value of a circuit or wiring formed in the chip area 21. This is a circuit for measuring the basic characteristic values of the.
- the inspection circuit 61 is connected to the measurement pads 62-1 to 62-6 by wiring.
- the measurement pads 62-1 to 62-6 are also simply referred to as measurement pads 62 when it is not necessary to distinguish between them.
- the test circuit 61 and the chip region 21-5 are electrically connected by electrically connecting the measurement pad 62 and the pad 41 with a probe (probe), for example. And the inspection circuit 61 is driven to measure a desired characteristic.
- each chip region 21 is separated from the semiconductor wafer 11.
- the chip area 21-5 and a portion adjacent to the chip area 21-5 in the measurement area 52 are formed as one chip by singulation (dicing), and this chip is used as the solid-state imaging device 71. ing. That is, the portion in the region R11 in the semiconductor wafer 11 is the solid-state imaging device 71.
- the measurement region 52 is a region where only circuits and pads necessary for measuring the characteristics of the chip region 21 such as the inspection circuit 61 and the measurement pad 62 are formed, and is necessary for the operation of the solid-state imaging device 71. Since elements, wirings, and the like are not provided, the area is not particularly necessary after being singulated. Therefore, after the singulation, the measurement region 52 portion may be removed from the chip, and only the chip region 21 portion may be the final solid-state imaging device 71.
- ⁇ Cross section of scribe area> Further, the cross section of the scribe region 22 is as shown in FIG. 3, for example.
- FIG. 3 the same reference numerals are given to the portions corresponding to those in FIG. 1, and the description thereof will be omitted as appropriate.
- the figure shown by the arrow A11 shows a cross section of the scribe region 22
- the figure shown by the arrow A12 is a figure when the figure shown by the arrow A11 is viewed from the top to the bottom in the drawing. That is, the diagram indicated by the arrow A12 is a diagram when the scribe region 22 is viewed from the same direction as in FIG.
- the semiconductor wafer 11 is composed of a sensor wafer 101 and a logic wafer 102, and the sensor wafer 101 and the logic wafer 102 are bonded together by, for example, plasma bonding or the like.
- the sensor wafer 101 is a semiconductor wafer that realizes an imaging function, in which a chip region 21 is provided with pixels including photoelectric conversion elements.
- the logic wafer 102 is a semiconductor wafer in which a logic circuit that performs various signal processing such as signal processing on a pixel signal read from a pixel is formed in the chip region 21.
- the sensor wafer 101 includes a silicon substrate 111 made of Si or the like and a wiring layer 112 made of SiOx (silicon oxide) laminated on the silicon substrate 111.
- the logic wafer 102 includes a silicon substrate 113 made of Si or the like, a wiring layer 114 made of a low dielectric constant insulating film (Low-K) such as SiOC, and a wiring layer 115 made of SiO.
- a silicon substrate 113 made of Si or the like
- a wiring layer 114 made of a low dielectric constant insulating film (Low-K) such as SiOC
- a wiring layer 115 made of SiO.
- a measurement pad 62-1 made of Al (aluminum) is formed in the measurement region 52 portion of the wiring layer 115, and the measurement pad is formed by the openings 121 provided in the sensor wafer 101 and the logic wafer 102.
- the portion 62-1 is opened.
- a Cu pattern 122 made of global thick Cu is provided for reinforcing the strength of the measurement pad 62-1 portion.
- a Cu pattern 123 composed of a Cu measurement pad for measuring the characteristics of the chip region 21, a Cu pad for reinforcing the strength, and the like. Is provided.
- the Cu pattern 123 has a certain thickness and area, but in the figure of the Cu pattern 123, the thickness in the vertical direction is thinner than the thickness of the Cu pattern 122. That is, the wiring layer 114 is a wiring layer in which the Cu pattern 123 having a thinner thickness than the thickness of the Cu pattern 122 formed in the wiring layer 115 is formed.
- Si constituting the silicon substrate 111 is completely removed by etching or the like as indicated by an arrow Q11. Therefore, SiO constituting the wiring layer 112 is exposed at the dicing line 51 in the sensor wafer 101.
- the portion of the dicing line 51 is not provided with wiring, pads, or the like in order to facilitate cutting during dicing. In other words, nothing is provided.
- a dummy Cu pattern 124 made of thin Cu is provided on the dicing line 51 in the wiring layer 114.
- the Cu pattern 124 is lower than the coverage of the Cu pattern in the portion where the Cu pattern 123 is provided, that is, the measurement region 52 portion, such as the coverage of the wiring layer 114 is about 30% or less. It is formed as follows.
- the coverage of the Cu pattern is the ratio of the Cu area per unit area.
- Cu guard rings 125 to 128 for preventing unintentional electrical connection (short circuit) in the chip region 21 are provided.
- the semiconductor wafer 11 is configured as described above, so that the yield at the time of manufacturing the solid-state imaging device can be improved more easily.
- the measurement pad 62 is provided on the dicing line 51, a step is generated in the portion of the measurement pad 62, or the Cu pattern 122 or the Cu pattern 123 is disposed immediately below the measurement pad 62 for strength reinforcement. Therefore, chipping occurs when dicing is performed. When such chipping occurs, the circuit of the solid-state imaging device or the like may be damaged in some cases, resulting in a decrease in yield.
- the measurement region 52 is provided between the dicing line 51 and the chip region 21, and the measurement pad 62 is arranged in the measurement region 52.
- a scribe structure in which a dicing line 51 cut during dicing and a line provided with a plurality of measurement pads 62 used for measurement during inspection are divided into different lines.
- the dicing line 51 has a configuration in which only a Cu pattern (Cu dummy wiring) having a low Cu coverage is disposed as in the Cu pattern 124. By setting it as such a structure, the volume of Cu in the dicing line 51 can be restrained low.
- the yield of a solid-state imaging device can be improved.
- Si in the dicing line 51 portion of the sensor wafer 101 on which the pixels are formed is completely removed by etching or the like before dicing.
- Cu silicide is not generated in the sensor wafer 101 even when laser ablation dicing is performed.
- pixel defects due to Cu silicide debris (dust) can be prevented, and the yield of the solid-state imaging device can be improved. That is, the yield can be improved by suppressing the occurrence of initial failure caused by Cu silicide debris and the decrease in reliability due to the growth of debris. This also makes it possible to obtain a high-quality solid-state imaging device.
- the processing speed (cutting speed) by the laser light is slow in the Si portion, but in the semiconductor wafer 11, Si on the surface of the dicing line 51 is removed. Therefore, the processing speed by the laser beam at the time of dicing of the semiconductor wafer 11 can be increased, and singulation can be performed in a shorter time.
- the TEG such as the inspection circuit 61 is provided in the measurement region 52 in the semiconductor wafer 11.
- a TEG such as the inspection circuit 61 may be formed on the dicing line 51 in the logic wafer 102, and the TEG such as the inspection circuit 61 and the measurement pad 62 may be connected by wiring.
- a manufacturing apparatus for manufacturing a solid-state imaging device first manufactures a sensor wafer 151 and a logic wafer 152 as indicated by an arrow W11 in FIG.
- the manufacturing apparatus forms pixels made of photoelectric conversion elements and the like on the silicon substrate 161, and has wirings and the like, and forms a wiring layer 162 made of one or a plurality of layers on the silicon substrate 161 by laminating these.
- One wafer composed of the silicon substrate 161 and the wiring layer 162 is referred to as a sensor wafer 151.
- the sensor wafer 151, the silicon substrate 161, and the wiring layer 162 correspond to the sensor wafer 101, the silicon substrate 111, and the wiring layer 112 shown in FIG.
- the manufacturing apparatus includes wiring and the like, and a wiring layer 164 including one or more layers is formed on the silicon substrate 163 by stacking, and one wafer including the silicon substrate 163 and the wiring layer 164 is formed as a logic wafer. 152.
- the logic wafer 152, the silicon substrate 163, and the wiring layer 164 correspond to the logic wafer 102, the silicon substrate 113, and the wiring layer composed of the wiring layer 114 and the wiring layer 115 shown in FIG.
- the manufacturing apparatus joins the sensor wafer 151 and the logic wafer 152 by plasma bonding as shown by an arrow W12 to form one semiconductor wafer 171.
- the sensor wafer 151 and the logic wafer 152 are bonded so that the wiring layer 162 of the sensor wafer 151 and the wiring layer 164 of the logic wafer 152 face each other.
- the semiconductor wafer 171 corresponds to the semiconductor wafer 11 shown in FIG. 1, and the semiconductor wafer 171 is formed with a region corresponding to the plurality of chip regions 21 and a region corresponding to the scribe region 22. .
- the manufacturing apparatus processes and thins the surface of the silicon substrate 161 constituting the semiconductor wafer 171.
- the manufacturing apparatus forms an on-chip color filter 181 and an on-chip color lens 182 constituting the pixel for each pixel in an area corresponding to the chip area 21 in the semiconductor wafer 171 as indicated by an arrow W14.
- the manufacturing apparatus etches the dicing line portion in the sensor wafer 151 to remove Si, or forms openings in the measurement region portions in the sensor wafer 151 and the logic wafer 152, and opens the measurement pad portion. .
- a portion indicated by an arrow Q21 in the semiconductor wafer 171 is a scribe region.
- the portion of the scribe region that is, the region R21 is enlarged, as shown by an arrow Q22
- the structure of the scribe region is the same as that shown by the arrow A11 in FIG.
- the part indicated by the arrow Q22 is an enlarged part of the region R21 in the semiconductor wafer 171.
- the semiconductor wafer 171 is divided into individual pieces by dicing, and the resulting chips are used as a solid-state imaging device.
- the dicing line portion is cut by dicing as described above, and a chip including a chip area and a measurement area is used as a solid-state imaging device. At this time, the portion of the measurement region is removed from the chip as necessary.
- the semiconductor wafer on which a plurality of solid-state imaging devices (chip areas) are formed is a wafer obtained by bonding a sensor wafer and a logic wafer is described. It may be obtained by pasting together.
- the semiconductor wafer 221 is obtained by pasting together a sensor wafer 231, which is three semiconductor wafers, a DRAM (Dynamic Random Access Memory) wafer 232, and a logic wafer 233.
- a sensor wafer 231 which is three semiconductor wafers
- a DRAM (Dynamic Random Access Memory) wafer 232 a DRAM (Dynamic Random Access Memory) wafer 232
- a logic wafer 233 a logic wafer 233.
- the figure indicated by the arrow A21 shows a cross section of the scribe region
- the figure indicated by the arrow A22 is a view when the figure indicated by the arrow A21 is viewed from the top to the bottom in the figure. .
- the sensor wafer 231 and the logic wafer 233 correspond to the sensor wafer 101 and the logic wafer 102 shown in FIG. Further, the DRAM wafer 232 disposed between the sensor wafer 231 and the logic wafer 233 is a semiconductor wafer in which a portion of the chip area constituting the solid-state imaging device serves as a memory.
- pixel circuits, wirings, and the like are formed, and a chip region 241-1 and a chip region 241-2 that are part of the solid-state imaging device are formed.
- the chip region 241-1 and the chip are also formed.
- a region between the regions 241-2 is a scribe region 242.
- the scribe area 242 is provided with a dicing line 251 and a measurement area 252.
- the chip area 241-1 and the chip area 241-2 correspond to the chip area 21 shown in FIG. 1, and the dicing line 251 and the measurement area 252 correspond to the dicing line 51 and the measurement area 52 shown in FIG. To do.
- chip area 241-1 and the chip area 241-2 are simply referred to as a chip area 241 unless it is necessary to distinguish between them.
- the sensor wafer 231 includes a silicon substrate 261 made of Si and a wiring layer 262 made up of a plurality of layers stacked on the silicon substrate 261, and an oxide layer is interposed between the silicon substrate 261 and the wiring layer 262.
- An insulating layer 263 formed using a film is provided.
- the DRAM wafer 232 has a silicon substrate 264 made of Si and a wiring layer 265 made of a plurality of layers stacked on the silicon substrate 264. Further, the logic wafer 233 includes a silicon substrate 266 made of Si and a wiring layer 267 made of a plurality of layers stacked on the silicon substrate 266.
- a measurement pad 271 made of Al is formed in the measurement region 252 of the wiring layer 262 of the sensor wafer 231, and the measurement pad 271 is opened by the opening 272 provided in the sensor wafer 231. ing.
- the measurement pad 271 corresponds to the measurement pad 62 shown in FIG.
- the measurement pad 271 is electrically connected to an Al wiring or pad provided in a portion of the measurement region 252 in the wiring layer 265 of the DRAM wafer 232 by a Cu wiring 273 including vias and electrodes.
- the dicing line 251 portion of the sensor wafer 231 is not only the silicon substrate 261 portion, but most of the wiring layer 262 is removed by etching or the like, and a deep groove 274 is formed.
- This portion of the groove 274 is a portion that is cut during dicing, and Si is completely removed in the portion of the groove 274 as shown by the arrow A22 as in the example shown by the arrow A12 in FIG.
- the shaded area in the diagonally left direction indicates the Si area.
- the semiconductor wafer 221 has a configuration in which the dicing line 251 is formed with a deep groove 274 to reduce the thickness of the dicing line 251 so that the semiconductor wafer 221 can be separated into pieces more easily.
- a guard ring 275 and a guard ring 276 are formed of Cu or Al in the vicinity of the boundary between the dicing line 251 and the measurement region 252 in the chip region 241 portion of the wiring layer 262 of the sensor wafer 231.
- an Al pattern 277 made of Al wiring, a pad, or the like is formed in a portion of the measurement region 252 in the wiring layer 265, and the Al pattern 277 is connected to the measurement pad 271 by a Cu wiring 273. ing.
- a guard ring 278 and a guard ring 279 are formed of Al at a portion near the boundary between the dicing line 251 and the measurement region 252 in the chip region 241 portion of the wiring layer 265.
- an Al measurement pad 280 is formed in a portion of the measurement region 252 in the wiring layer 267, and the Global pad is provided immediately below the measurement pad 280 for reinforcing the strength of the measurement pad 280 portion.
- a Cu pattern 281 made of thick Cu is provided.
- the measurement pads 280 and the measurement pads 271 used for measuring (inspecting) the characteristics of the chip region 241 are all arranged on the same line, that is, in the measurement region 252.
- a Cu pattern 282 such as a Cu pad for reinforcing the strength is provided immediately below the Cu pattern 281 in the measurement region 252 portion of the wiring layer 267.
- the layer in which the Cu pattern 282 is formed is a wiring layer made of a low dielectric constant insulating film (Low-K) such as SiOC.
- the DRAM wafer 232 is not provided with a wiring layer made of a low dielectric constant insulating film (Low-K) such as SiOC, and the wiring layer 265 of the DRAM wafer 232 is provided with Al wiring. It consists only of layers. In particular, no Al dummy wiring is disposed in the dicing line 251 portion of the wiring layer 265. However, since Al does not generate growing debris, an Al dummy wiring may be disposed in the portion of the dicing line 251 in the wiring layer 265.
- a Cu pattern 283 having a low Cu coverage is formed in the dicing line 251 portion of the wiring layer 267, more specifically in the same layer as the layer in which the Cu pattern 282 is formed.
- the Cu pattern 283 also has a Cu pattern 282 in other regions such as a portion where the Cu pattern 282 is provided, such as a measurement region 252 portion. It is formed so that it may become lower than the coverage of.
- a guard ring 284 and a guard ring 285 are formed of Cu or Al in the vicinity of the boundary between the dicing line 251 and the measurement region 252 in the portion of the chip region 241 in the wiring layer 267.
- the yield at the time of manufacturing the solid-state imaging device can be improved more easily.
- a measurement region 252 is provided between the dicing line 251 and the chip region 241, and inspection pads such as the measurement pad 271 and the measurement pad 280 are arranged in the measurement region 252. .
- the Cu dummy wiring is not arranged in the Global layer or the Semi-Global layer of the dicing line 251, and the coverage of the Cu pattern 283 provided in the dicing line 251 portion is in other regions such as the measurement region 252. It is designed to be lower than the Cu pattern coverage.
- the step in the dicing line 251 can be eliminated, the volume of Cu can be reduced, chipping can be prevented, and the yield of the solid-state imaging device can be improved.
- the groove 274 in the dicing line 251 portion of the sensor wafer 231 it is possible to further facilitate dicing.
- the generation of Cu silicide can be reduced, and the yield of the solid-state imaging device can be improved.
- the occurrence of Cu silicide is prevented, the yield of the solid-state imaging device is improved, and a higher-quality solid-state imaging device is provided. Obtainable. Moreover, when performing laser ablation dicing, it can process simply and rapidly.
- a manufacturing apparatus for manufacturing a solid-state imaging device first manufactures a DRAM wafer 321 and a logic wafer 322 as indicated by an arrow W21 in FIG.
- the manufacturing apparatus forms a wiring layer 332 composed of one or a plurality of layers on a silicon substrate 331 by laminating one wafer composed of the silicon substrate 331 and the wiring layer 332 as a DRAM wafer 321 that functions as a memory.
- the DRAM wafer 321, the silicon substrate 331, and the wiring layer 332 correspond to the DRAM wafer 232, the silicon substrate 264, and the wiring layer 265 shown in FIG. 5, respectively.
- the manufacturing apparatus includes wiring and the like on the silicon substrate 333, and a wiring layer 334 including one or a plurality of layers is formed by stacking, and one wafer including the silicon substrate 333 and the wiring layer 334 is logic processed. A wafer 322 is assumed.
- the logic wafer 322, the silicon substrate 333, and the wiring layer 334 correspond to the logic wafer 233, the silicon substrate 266, and the wiring layer 267 shown in FIG.
- the manufacturing apparatus bonds the DRAM wafer 321 and the logic wafer 322 by plasma bonding as indicated by an arrow W22.
- the DRAM wafer 321 and the logic wafer 322 are bonded so that the wiring layer 332 of the DRAM wafer 321 and the wiring layer 334 of the logic wafer 322 face each other.
- the manufacturing apparatus processes the surface of the silicon substrate 331 constituting the DRAM wafer 321 as shown by an arrow W23 to thin the silicon substrate 331.
- the manufacturing apparatus forms a pixel made of a photoelectric conversion element or the like on the silicon substrate 341 as indicated by an arrow W24. Further, the manufacturing apparatus has wiring or the like on the silicon substrate 341 and forms a wiring layer 342 composed of one or a plurality of layers by stacking, and one wafer composed of the silicon substrate 341 and the wiring layer 342 is formed as a sensor wafer 351. And, the sensor wafer 351, the silicon substrate 341, and the wiring layer 342 correspond to the sensor wafer 231, the silicon substrate 261, and the wiring layer 262 shown in FIG.
- the manufacturing apparatus joins the sensor wafer 351 obtained in this way and the DRAM wafer 321 to which the logic wafer 322 is joined by plasma joining to form one semiconductor wafer 361.
- the sensor wafer 351 and the DRAM wafer 321 are bonded so that the wiring layer 342 of the sensor wafer 351 and the silicon substrate 331 of the DRAM wafer 321 face each other.
- the manufacturing apparatus processes the surface of the silicon substrate 341 constituting the semiconductor wafer 361 as shown by an arrow W25 in FIG. 7, thereby thinning the silicon substrate 341.
- the manufacturing apparatus forms an on-chip color filter 371 and an on-chip color lens 372 constituting the pixel for each pixel in an area corresponding to the chip area 241 in the semiconductor wafer 361 as indicated by an arrow W26.
- the manufacturing apparatus then etches the dicing line portion of the sensor wafer 351 to remove Si, or forms an opening in the measurement region portion of the sensor wafer 351 and opens the measurement pad portion. As a result, a chip region, a measurement region, and a dicing line are formed on the semiconductor wafer 361.
- a portion indicated by an arrow Q31 in the semiconductor wafer 361 is a scribe region.
- the structure of the scribe region is the same as that indicated by the arrow A21 in FIG. 5, as indicated by an arrow Q32.
- the part indicated by the arrow Q32 is an enlarged part of the region R31 in the semiconductor wafer 361.
- the semiconductor wafer 361 is separated into pieces by dicing, and the resulting chips are used as solid-state imaging devices.
- dicing the dicing line portion is cut as described above, and a chip composed of a chip area and a measurement area is used as a solid-state imaging device. At this time, the portion of the measurement region is removed from the chip as necessary.
- ⁇ Modification Example 1 of Second Embodiment> ⁇ Inspection circuit layout> Also in the semiconductor wafer 221 shown in FIG. 5, the TEG corresponding to the inspection circuit 61 shown in FIG. 1 is arranged in the measurement region 252. However, when it is necessary to destroy the TEG by dicing, May be formed on the dicing line 251.
- the scribe area 242 shown in FIG. 5 is configured as shown in FIG. 8, for example.
- portions corresponding to those in FIG. 5 are denoted by the same reference numerals, and description thereof will be omitted as appropriate.
- FIG. 8 shows a view of the semiconductor wafer 221 shown by the arrow A21 in FIG. 5 when viewed from the top down in FIG.
- a measurement pad 271 and measurement pads 401 to 403 similar to the measurement pad 271 are formed in the measurement region 252 portion of the wiring layer 262 of the sensor wafer 231.
- an inspection circuit 404 as a TEG is formed in a portion of the dicing line 251 in the wiring layer 265 of the DRAM wafer 232.
- the test circuit 404 is electrically connected to the measurement pad 271 and the measurement pads 401 to 403 by wirings 405-1 to 405-4, which are connection wirings, respectively.
- wirings 405-1 to 405-4 are also simply referred to as wirings 405 when it is not necessary to distinguish them.
- each wiring 405 includes, for example, the inspection circuit 404, the measurement pad 271 and the measurement pads 401 to 401 that are formed across the wiring layer 262, the silicon substrate 264, and the wiring layer 265 via a plurality of layers. It is a multi-layer wiring connecting 403.
- the inspection circuit 404 is formed in the dicing line 251 in this way, the inspection circuit 404 is destroyed during dicing, so that confidentiality can be improved. In this case, since the inspection circuit 404 is formed not on the sensor wafer 231 but on the DRAM wafer 232, it is not necessary to form a Si region in the dicing line 251 portion of the sensor wafer 231.
- the present technology provides an electronic device that uses a solid-state imaging device for a photoelectric conversion unit, such as an imaging device such as a digital still camera or a video camera, a portable terminal device having an imaging function, or a copying machine that uses a solid-state imaging device for an image reading unit. Applicable to all devices.
- FIG. 9 is a diagram illustrating a configuration example of an imaging apparatus as an electronic apparatus to which the present technology is applied.
- the imaging device 901 includes an optical unit 911 including a lens group, a solid-state imaging device (imaging device) 912, and a DSP (Digital Signal Processor) circuit 913 that is a camera signal processing circuit.
- the imaging device 901 also includes a frame memory 914, a display unit 915, a recording unit 916, an operation unit 917, and a power supply unit 918.
- the DSP circuit 913, the frame memory 914, the display unit 915, the recording unit 916, the operation unit 917, and the power supply unit 918 are connected to each other via a bus line 919.
- the optical unit 911 takes in incident light (image light) from a subject and forms an image on the imaging surface of the solid-state imaging device 912.
- the solid-state imaging device 912 converts the amount of incident light imaged on the imaging surface by the optical unit 911 into an electrical signal in units of pixels and outputs it as a pixel signal.
- the solid-state imaging device 912 corresponds to the above-described solid-state imaging device such as the solid-state imaging device 71 illustrated in FIG.
- the display unit 915 includes a panel type display device such as a liquid crystal panel or an organic EL (electroluminescence) panel, and displays a moving image or a still image captured by the solid-state imaging device 912.
- the recording unit 916 records a moving image or a still image captured by the solid-state imaging device 912 on a recording medium such as a video tape or a DVD (Digital Versatile Disk).
- the operation unit 917 issues operation commands for various functions of the imaging device 901 under the operation of the user.
- the power supply unit 918 appropriately supplies various power sources serving as operation power sources for the DSP circuit 913, the frame memory 914, the display unit 915, the recording unit 916, and the operation unit 917 to these supply targets.
- the present invention is applied to a CMOS image sensor in which pixels that detect signal charges corresponding to the amount of visible light as physical quantities are arranged in a matrix has been described as an example.
- the present technology is not limited to application to a CMOS image sensor, and can be applied to all solid-state imaging devices.
- FIG. 10 is a diagram illustrating a usage example in which the above-described solid-state imaging device (image sensor) is used.
- the solid-state imaging device described above can be used in various cases for sensing light such as visible light, infrared light, ultraviolet light, and X-ray as follows.
- Devices for taking images for viewing such as digital cameras and mobile devices with camera functions
- Devices used for traffic such as in-vehicle sensors that capture the back, surroundings, and interiors of vehicles, surveillance cameras that monitor traveling vehicles and roads, and ranging sensors that measure distances between vehicles, etc.
- Equipment used for home appliances such as TVs, refrigerators, air conditioners, etc. to take pictures and operate the equipment according to the gestures ⁇ Endoscopes, equipment that performs blood vessel photography by receiving infrared light, etc.
- Equipment used for medical and health care ⁇ Security equipment such as security surveillance cameras and personal authentication cameras ⁇ Skin measuring instrument for photographing skin and scalp photography Such as a microscope to do beauty Equipment used for sports such as action cameras and wearable cameras for sports applications etc.
- Equipment used for agriculture such as cameras for monitoring the condition of fields and crops
- the present technology can be configured as follows.
- a chip region provided with a plurality of pixels and an element for driving the pixels;
- a solid region provided adjacent to the chip region, provided with no elements and wiring necessary for driving the pixel, and provided with a measurement pad for measuring characteristics of the chip region Imaging device.
- the measurement region is further provided with a connection wiring that connects an inspection circuit for measuring the characteristic and the measurement pad.
- the inspection circuit is further provided in the measurement region.
- a chip region provided with a plurality of pixels and an element for driving the pixels;
- a solid region provided adjacent to the chip region, provided with no elements and wiring necessary for driving the pixel, and provided with a measurement pad for measuring characteristics of the chip region
- a method for manufacturing an imaging device comprising: Forming a plurality of regions consisting of the chip region and the measurement region on a semiconductor wafer, and a dicing line dividing the plurality of regions;
- a manufacturing method including the step of dicing the dicing line to separate the semiconductor wafer into the solid-state imaging device including the chip region and the measurement region.
- the semiconductor wafer comprises a sensor wafer provided with the pixels and one or more other wafers different from the sensor wafer, The manufacturing method according to [4], wherein the dicing process is performed after silicon in the dicing line portion of the sensor wafer is removed. [6] The manufacturing method according to [4] or [5], wherein the measurement region is further provided with an inspection circuit for measuring the characteristic. [7] The manufacturing method according to [5], wherein an inspection circuit for measuring the characteristics is further provided in the dicing line portion of the other wafer. [8] The manufacturing method according to any one of [4] to [7], wherein a copper coverage in the dicing line is lower than a copper coverage in a region different from the dicing line.
- a chip region provided with a plurality of pixels and an element for driving the pixels; An area for measurement provided adjacent to the chip area, provided with elements and wiring necessary for driving the pixel, and provided with a measurement pad for measuring the characteristics of the chip area;
- a semiconductor wafer comprising: a dicing line that divides a plurality of regions including the chip region and the measurement region.
- the semiconductor wafer comprises a sensor wafer provided with the pixels and one or more other wafers different from the sensor wafer, The semiconductor wafer according to [9], wherein the dicing line portion of the sensor wafer is in a state where silicon is removed.
- the semiconductor wafer according to [9] or [10], wherein an inspection circuit for measuring the characteristic is further provided in the measurement region.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Automation & Control Theory (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Dicing (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Abstract
Description
〈半導体ウェハの構成例〉
図1は、本技術を適用した半導体ウェハの一実施の形態の構成例を示す図である。なお、より詳細には、図1には、半導体ウェハの一部分のみが図示されている。
また、スクライブ領域22の断面は、例えば図3に示すようになっている。なお、図3において、図1における場合と対応する部分には同一の符号を付してあり、その説明は適宜省略する。
続いて、本技術を適用した固体撮像装置の製造について説明する。
〈スクライブ領域の断面について〉
なお、以上においては、複数の固体撮像装置(チップ領域)が形成された半導体ウェハが、センサウェハとロジックウェハを貼り合わせて得られるウェハである例について説明したが、半導体ウェハは3以上のウェハを貼り合わせて得られるものであってもよい。
続いて、図6および図7を参照して、図5に示したように3つの半導体ウェハを接合して最終的な1つの半導体ウェハとする場合における固体撮像装置の製造について説明する。なお、図6および図7において、互いに対応する部分には同一の符号を付してあり、その説明は適宜省略する。
〈検査回路の配置について〉
なお、図5に示した半導体ウェハ221においても、図1に示した検査回路61に対応するTEGが測定用領域252に配置されるが、機密上TEGをダイシングにより破壊する必要があるときには、TEGをダイシングライン251に形成してもよい。
さらに、本技術は、デジタルスチルカメラやビデオカメラ等の撮像装置や、撮像機能を有する携帯端末装置や、画像読取部に固体撮像装置を用いる複写機など、光電変換部に固体撮像装置を用いる電子機器全般に対して適用可能である。
図10は、上述の固体撮像装置(イメージセンサ)を使用する使用例を示す図である。
・自動停止等の安全運転や、運転者の状態の認識等のために、自動車の前方や後方、周囲、車内等を撮影する車載用センサ、走行車両や道路を監視する監視カメラ、車両間等の測距を行う測距センサ等の、交通の用に供される装置
・ユーザのジェスチャを撮影して、そのジェスチャに従った機器操作を行うために、TVや、冷蔵庫、エアーコンディショナ等の家電に供される装置
・内視鏡や、赤外光の受光による血管撮影を行う装置等の、医療やヘルスケアの用に供される装置
・防犯用途の監視カメラや、人物認証用途のカメラ等の、セキュリティの用に供される装置
・肌を撮影する肌測定器や、頭皮を撮影するマイクロスコープ等の、美容の用に供される装置
・スポーツ用途等向けのアクションカメラやウェアラブルカメラ等の、スポーツの用に供される装置
・畑や作物の状態を監視するためのカメラ等の、農業の用に供される装置
複数の画素、および前記画素を駆動するための素子が設けられたチップ領域と、
前記チップ領域に隣接して設けられ、前記画素の駆動に必要な素子および配線が設けられておらず、前記チップ領域の特性を測定するための測定パッドが設けられた測定用領域と
を備える固体撮像装置。
[2]
前記測定用領域には、前記特性を測定するための検査回路と前記測定パッドとを接続する接続配線がさらに設けられている
[1]に記載の固体撮像装置。
[3]
前記測定用領域には、前記検査回路がさらに設けられている
[2]に記載の固体撮像装置。
[4]
複数の画素、および前記画素を駆動するための素子が設けられたチップ領域と、
前記チップ領域に隣接して設けられ、前記画素の駆動に必要な素子および配線が設けられておらず、前記チップ領域の特性を測定するための測定パッドが設けられた測定用領域と
を備える固体撮像装置の製造方法であって、
半導体ウェハに前記チップ領域および前記測定用領域からなる複数の領域と、前記複数の領域を区切るダイシングラインとを形成し、
前記ダイシングラインに対するダイシング加工を行って、前記半導体ウェハを前記チップ領域および前記測定用領域からなる前記固体撮像装置に個片化する
ステップを含む製造方法。
[5]
前記半導体ウェハは、前記画素が設けられたセンサウェハと、前記センサウェハとは異なる1または複数の他のウェハとからなり、
前記センサウェハにおける前記ダイシングライン部分のシリコンが除去された後、前記ダイシング加工が行われる
[4]に記載の製造方法。
[6]
前記測定用領域には、前記特性を測定するための検査回路がさらに設けられている
[4]または[5]に記載の製造方法。
[7]
前記他のウェハにおける前記ダイシングライン部分には、前記特性を測定するための検査回路がさらに設けられている
[5]に記載の製造方法。
[8]
前記ダイシングラインにおける銅の被覆率は、前記ダイシングラインとは異なる領域における銅の被覆率よりも低くなっている
[4]乃至[7]の何れか一項に記載の製造方法。
[9]
複数の画素、および前記画素を駆動するための素子が設けられたチップ領域と、
前記チップ領域に隣接して設けられ、前記画素の駆動に必要な素子および配線が設けられておらず、前記チップ領域の特性を測定するための測定パッドが設けられた測定用領域と、
前記チップ領域および前記測定用領域からなる複数の領域を区切るダイシングラインと
を備える半導体ウェハ。
[10]
前記半導体ウェハは、前記画素が設けられたセンサウェハと、前記センサウェハとは異なる1または複数の他のウェハとからなり、
前記センサウェハにおける前記ダイシングライン部分はシリコンが除去された状態となっている
[9]に記載の半導体ウェハ。
[11]
前記測定用領域には、前記特性を測定するための検査回路がさらに設けられている
[9]または[10]に記載の半導体ウェハ。
[12]
前記他のウェハにおける前記ダイシングライン部分には、前記特性を測定するための検査回路がさらに設けられている
[10]に記載の半導体ウェハ。
[13]
前記ダイシングラインにおける銅の被覆率は、前記ダイシングラインとは異なる領域における銅の被覆率よりも低くなっている
[9]乃至[12]の何れか一項に記載の半導体ウェハ。
[14]
複数の画素、および前記画素を駆動するための素子が設けられたチップ領域と、
前記チップ領域に隣接して設けられ、前記画素の駆動に必要な素子および配線が設けられておらず、前記チップ領域の特性を測定するための測定パッドが設けられた測定用領域と
を有する固体撮像装置を備える電子機器。
Claims (14)
- 複数の画素、および前記画素を駆動するための素子が設けられたチップ領域と、
前記チップ領域に隣接して設けられ、前記画素の駆動に必要な素子および配線が設けられておらず、前記チップ領域の特性を測定するための測定パッドが設けられた測定用領域と
を備える固体撮像装置。 - 前記測定用領域には、前記特性を測定するための検査回路と前記測定パッドとを接続する接続配線がさらに設けられている
請求項1に記載の固体撮像装置。 - 前記測定用領域には、前記検査回路がさらに設けられている
請求項2に記載の固体撮像装置。 - 複数の画素、および前記画素を駆動するための素子が設けられたチップ領域と、
前記チップ領域に隣接して設けられ、前記画素の駆動に必要な素子および配線が設けられておらず、前記チップ領域の特性を測定するための測定パッドが設けられた測定用領域と
を備える固体撮像装置の製造方法であって、
半導体ウェハに前記チップ領域および前記測定用領域からなる複数の領域と、前記複数の領域を区切るダイシングラインとを形成し、
前記ダイシングラインに対するダイシング加工を行って、前記半導体ウェハを前記チップ領域および前記測定用領域からなる前記固体撮像装置に個片化する
ステップを含む製造方法。 - 前記半導体ウェハは、前記画素が設けられたセンサウェハと、前記センサウェハとは異なる1または複数の他のウェハとからなり、
前記センサウェハにおける前記ダイシングライン部分のシリコンが除去された後、前記ダイシング加工が行われる
請求項4に記載の製造方法。 - 前記測定用領域には、前記特性を測定するための検査回路がさらに設けられている
請求項4に記載の製造方法。 - 前記他のウェハにおける前記ダイシングライン部分には、前記特性を測定するための検査回路がさらに設けられている
請求項5に記載の製造方法。 - 前記ダイシングラインにおける銅の被覆率は、前記ダイシングラインとは異なる領域における銅の被覆率よりも低くなっている
請求項4に記載の製造方法。 - 複数の画素、および前記画素を駆動するための素子が設けられたチップ領域と、
前記チップ領域に隣接して設けられ、前記画素の駆動に必要な素子および配線が設けられておらず、前記チップ領域の特性を測定するための測定パッドが設けられた測定用領域と、
前記チップ領域および前記測定用領域からなる複数の領域を区切るダイシングラインと
を備える半導体ウェハ。 - 前記半導体ウェハは、前記画素が設けられたセンサウェハと、前記センサウェハとは異なる1または複数の他のウェハとからなり、
前記センサウェハにおける前記ダイシングライン部分はシリコンが除去された状態となっている
請求項9に記載の半導体ウェハ。 - 前記測定用領域には、前記特性を測定するための検査回路がさらに設けられている
請求項9に記載の半導体ウェハ。 - 前記他のウェハにおける前記ダイシングライン部分には、前記特性を測定するための検査回路がさらに設けられている
請求項10に記載の半導体ウェハ。 - 前記ダイシングラインにおける銅の被覆率は、前記ダイシングラインとは異なる領域における銅の被覆率よりも低くなっている
請求項9に記載の半導体ウェハ。 - 複数の画素、および前記画素を駆動するための素子が設けられたチップ領域と、
前記チップ領域に隣接して設けられ、前記画素の駆動に必要な素子および配線が設けられておらず、前記チップ領域の特性を測定するための測定パッドが設けられた測定用領域と
を有する固体撮像装置を備える電子機器。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201680011455.0A CN107251225B (zh) | 2015-03-11 | 2016-02-26 | 固态摄像器件和制造方法、半导体晶片及电子装置 |
US15/554,637 US10991743B2 (en) | 2015-03-11 | 2016-02-26 | Solid state image pickup device and production method, semiconductor wafer, and electronic apparatus |
JP2017504974A JPWO2016143553A1 (ja) | 2015-03-11 | 2016-02-26 | 固体撮像装置および製造方法、半導体ウェハ、並びに電子機器 |
KR1020177018904A KR102534320B1 (ko) | 2015-03-11 | 2016-02-26 | 고체 촬상 장치 및 제조 방법, 반도체 웨이퍼, 및 전자 기기 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015-048487 | 2015-03-11 | ||
JP2015048487 | 2015-03-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016143553A1 true WO2016143553A1 (ja) | 2016-09-15 |
Family
ID=56880089
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2016/055793 WO2016143553A1 (ja) | 2015-03-11 | 2016-02-26 | 固体撮像装置および製造方法、半導体ウェハ、並びに電子機器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10991743B2 (ja) |
JP (1) | JPWO2016143553A1 (ja) |
KR (1) | KR102534320B1 (ja) |
CN (1) | CN107251225B (ja) |
TW (1) | TWI655753B (ja) |
WO (1) | WO2016143553A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020017682A (ja) * | 2018-07-26 | 2020-01-30 | キヤノン株式会社 | 固体撮像装置、基板および撮像システム |
JP2022519613A (ja) * | 2019-04-15 | 2022-03-24 | 長江存儲科技有限責任公司 | プログラマブルロジックデバイスおよび異種メモリを有するユニファイド半導体デバイス、および、それを形成するための方法 |
WO2022118670A1 (ja) * | 2020-12-04 | 2022-06-09 | ソニーセミコンダクタソリューションズ株式会社 | 撮像装置、電子機器、製造方法 |
WO2023229018A1 (ja) * | 2022-05-27 | 2023-11-30 | ソニーセミコンダクタソリューションズ株式会社 | 光検出装置 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019160866A (ja) * | 2018-03-08 | 2019-09-19 | ソニーセミコンダクタソリューションズ株式会社 | 撮像装置 |
KR102378837B1 (ko) | 2018-08-24 | 2022-03-24 | 삼성전자주식회사 | 반도체 장치 및 이를 포함하는 반도체 패키지 |
US11735487B2 (en) * | 2019-10-30 | 2023-08-22 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor structure and method of fabricating the same |
JP2021190536A (ja) * | 2020-05-28 | 2021-12-13 | キオクシア株式会社 | 半導体ウェハ、半導体チップおよびダイシング方法 |
CN113690155B (zh) * | 2021-10-27 | 2022-02-11 | 成都嘉纳海威科技有限责任公司 | 一种单片微波集成电路隔离环设计以及芯片筛测方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002176140A (ja) * | 2000-12-06 | 2002-06-21 | Seiko Epson Corp | 半導体集積回路ウェハ |
JP2006202865A (ja) * | 2005-01-19 | 2006-08-03 | Sony Corp | 固体撮像装置および固体撮像装置の製造方法 |
US20120205769A1 (en) * | 2011-02-16 | 2012-08-16 | Taiwan Semiconductor Manufacturing Company, Ltd. | Back side illuminated image sensor with reduced sidewall-induced leakage |
JP2013219319A (ja) * | 2012-03-16 | 2013-10-24 | Sony Corp | 半導体装置、半導体装置の製造方法、半導体ウエハ、及び、電子機器 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3354949B2 (ja) * | 1991-08-08 | 2002-12-09 | 富士通株式会社 | 半導体装置及びその製造方法 |
JP2002093868A (ja) * | 2000-09-20 | 2002-03-29 | Nec Corp | 半導体装置 |
JP2004047535A (ja) * | 2002-07-09 | 2004-02-12 | Mitsubishi Electric Corp | 半導体装置用ウエハ及び半導体装置 |
KR101000600B1 (ko) * | 2003-04-30 | 2010-12-10 | 크로스텍 캐피탈, 엘엘씨 | 이온주입의 시트저항 측정용 테스트패턴 및 그가 내장된씨모스 이미지 센서 및 그의 제조 방법 |
KR100991954B1 (ko) * | 2003-04-30 | 2010-11-04 | 크로스텍 캐피탈, 엘엘씨 | 씨모스 이미지 센서의 픽셀 특성 평가용 테스트 패턴 및 그 모듈 |
JP4472650B2 (ja) * | 2006-02-27 | 2010-06-02 | シャープ株式会社 | 半導体ウェハ、半導体チップ、半導体装置、ならびにウェハテスト方法 |
JP4274576B2 (ja) * | 2007-01-12 | 2009-06-10 | エルピーダメモリ株式会社 | 半導体装置 |
JP5577965B2 (ja) * | 2010-09-02 | 2014-08-27 | ソニー株式会社 | 半導体装置、および、その製造方法、電子機器 |
JP2013105919A (ja) * | 2011-11-14 | 2013-05-30 | Fujitsu Semiconductor Ltd | 半導体ウェハ及び半導体装置の製造方法 |
JP5806635B2 (ja) * | 2012-03-30 | 2015-11-10 | 富士フイルム株式会社 | 固体撮像素子の製造方法 |
US8952497B2 (en) * | 2012-09-14 | 2015-02-10 | Taiwan Semiconductor Manufacturing Company, Ltd. | Scribe lines in wafers |
JP6362482B2 (ja) * | 2014-08-28 | 2018-07-25 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
JP6353354B2 (ja) * | 2014-12-12 | 2018-07-04 | ルネサスエレクトロニクス株式会社 | 撮像装置およびその製造方法 |
-
2016
- 2016-02-19 TW TW105105012A patent/TWI655753B/zh active
- 2016-02-26 WO PCT/JP2016/055793 patent/WO2016143553A1/ja active Application Filing
- 2016-02-26 KR KR1020177018904A patent/KR102534320B1/ko active IP Right Grant
- 2016-02-26 CN CN201680011455.0A patent/CN107251225B/zh active Active
- 2016-02-26 US US15/554,637 patent/US10991743B2/en active Active
- 2016-02-26 JP JP2017504974A patent/JPWO2016143553A1/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002176140A (ja) * | 2000-12-06 | 2002-06-21 | Seiko Epson Corp | 半導体集積回路ウェハ |
JP2006202865A (ja) * | 2005-01-19 | 2006-08-03 | Sony Corp | 固体撮像装置および固体撮像装置の製造方法 |
US20120205769A1 (en) * | 2011-02-16 | 2012-08-16 | Taiwan Semiconductor Manufacturing Company, Ltd. | Back side illuminated image sensor with reduced sidewall-induced leakage |
JP2013219319A (ja) * | 2012-03-16 | 2013-10-24 | Sony Corp | 半導体装置、半導体装置の製造方法、半導体ウエハ、及び、電子機器 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020017682A (ja) * | 2018-07-26 | 2020-01-30 | キヤノン株式会社 | 固体撮像装置、基板および撮像システム |
JP7097773B2 (ja) | 2018-07-26 | 2022-07-08 | キヤノン株式会社 | 固体撮像装置、基板および撮像システム |
JP2022519613A (ja) * | 2019-04-15 | 2022-03-24 | 長江存儲科技有限責任公司 | プログラマブルロジックデバイスおよび異種メモリを有するユニファイド半導体デバイス、および、それを形成するための方法 |
WO2022118670A1 (ja) * | 2020-12-04 | 2022-06-09 | ソニーセミコンダクタソリューションズ株式会社 | 撮像装置、電子機器、製造方法 |
WO2023229018A1 (ja) * | 2022-05-27 | 2023-11-30 | ソニーセミコンダクタソリューションズ株式会社 | 光検出装置 |
Also Published As
Publication number | Publication date |
---|---|
TW201701455A (zh) | 2017-01-01 |
CN107251225B (zh) | 2021-12-14 |
US20180240832A1 (en) | 2018-08-23 |
JPWO2016143553A1 (ja) | 2017-12-21 |
KR102534320B1 (ko) | 2023-05-19 |
KR20170122176A (ko) | 2017-11-03 |
US10991743B2 (en) | 2021-04-27 |
TWI655753B (zh) | 2019-04-01 |
CN107251225A (zh) | 2017-10-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2016143553A1 (ja) | 固体撮像装置および製造方法、半導体ウェハ、並びに電子機器 | |
JP7293123B2 (ja) | 裏面照射型の固体撮像装置、および裏面照射型の固体撮像装置の製造方法、撮像装置、並びに電子機器 | |
JP6693068B2 (ja) | 固体撮像装置および製造方法、並びに電子機器 | |
US11437423B2 (en) | Image sensor, manufacturing method, and electronic device | |
WO2016129409A1 (ja) | 撮像素子、製造方法、および電子機器 | |
US11004806B2 (en) | Semiconductor device, manufacturing method of semiconductor device, integrated substrate, and electronic device | |
US10748947B2 (en) | Imaging device, manufacturing method, and electronic apparatus | |
JP2016163011A (ja) | 半導体装置および製造方法、並びに電子機器 | |
JP6743035B2 (ja) | 撮像装置、製造方法 | |
JPWO2020129686A1 (ja) | 裏面照射型の固体撮像装置、および裏面照射型の固体撮像装置の製造方法、撮像装置、並びに電子機器 | |
US10403675B2 (en) | Semiconductor device and method for manufacturing semiconductor device, solid-state image pickup element, image pickup device, and electronic apparatus | |
US20190221602A1 (en) | Solid state imaging device, solid state imaging device manufacturing method, and electronic apparatus | |
KR20230058730A (ko) | 촬상 장치, 제조 방법 및 전자 기기 | |
US11594564B2 (en) | Solid-state imaging element, manufacturing method, and electronic apparatus | |
WO2018008389A1 (ja) | 半導体装置およびその製造方法、並びに電子機器 | |
WO2023145329A1 (ja) | 半導体装置 | |
WO2022107621A1 (ja) | 固体撮像素子、製造方法、および電子機器 | |
JP2016076616A (ja) | 半導体装置、製造装置、製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 16761524 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 20177018904 Country of ref document: KR Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 2017504974 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15554637 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 16761524 Country of ref document: EP Kind code of ref document: A1 |