WO2003075331A1 - Dicing method, method of inspecting integrated circuit element, substrate holding device, and pressure sensitive adhesive film - Google Patents
Dicing method, method of inspecting integrated circuit element, substrate holding device, and pressure sensitive adhesive film Download PDFInfo
- Publication number
- WO2003075331A1 WO2003075331A1 PCT/JP2003/002236 JP0302236W WO03075331A1 WO 2003075331 A1 WO2003075331 A1 WO 2003075331A1 JP 0302236 W JP0302236 W JP 0302236W WO 03075331 A1 WO03075331 A1 WO 03075331A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- adhesive film
- integrated circuit
- semiconductor substrate
- jig
- energy
- Prior art date
Links
- 239000000758 substrate Substances 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 55
- 239000004820 Pressure-sensitive adhesive Substances 0.000 title abstract 4
- 239000000523 sample Substances 0.000 claims abstract description 19
- 239000002313 adhesive film Substances 0.000 claims description 125
- 239000004065 semiconductor Substances 0.000 claims description 58
- 238000007689 inspection Methods 0.000 claims description 38
- 239000012790 adhesive layer Substances 0.000 claims description 21
- 238000005520 cutting process Methods 0.000 claims description 20
- 230000001070 adhesive effect Effects 0.000 claims description 18
- 239000000853 adhesive Substances 0.000 claims description 14
- 239000010410 layer Substances 0.000 claims 2
- 230000007423 decrease Effects 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 25
- 206010040844 Skin exfoliation Diseases 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 238000005476 soldering Methods 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910001374 Invar Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67132—Apparatus for placing on an insulating substrate, e.g. tape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/0058—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material
- B28D5/0082—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material for supporting, holding, feeding, conveying or discharging work
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/6835—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/6835—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L21/6836—Wafer tapes, e.g. grinding or dicing support tapes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L2221/68318—Auxiliary support including means facilitating the separation of a device or wafer from the auxiliary support
- H01L2221/68322—Auxiliary support including means facilitating the selective separation of some of a plurality of devices from the auxiliary support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L2221/68327—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support used during dicing or grinding
Definitions
- the present invention relates to a method for dicing a semiconductor substrate on which a plurality of integrated circuit elements are arranged vertically and horizontally, a method for inspecting electrical characteristics of integrated circuit elements after dicing, a substrate holding apparatus used in these methods, and the substrate holding apparatus.
- the present invention relates to an adhesive film that can be employed in a device.
- a large number of integrated circuit elements are arranged vertically and horizontally on a semiconductor wafer (hereinafter referred to as “wafer”). These elements are separated into individual elements by a conventional dicing method as shown in FIG. 13, for example. That is, an adhesive layer (eg, the upper surface 12a is an adhesive film 12 (eg, 100 to 200) having an adhesive surface on one side of a ring-shaped frame 11 larger in size than the wafer W. 0 ⁇ ⁇ )) is used.
- the holder 10 having the wafer W attached to the adhesive surface 12 a of the adhesive film 12 is placed on the chuck table 13.
- each element C (for the sake of convenience, integrated circuit elements and chips are denoted by the same reference numerals).
- C '' Is separated.
- the chips C are peeled off one by one from the adhesive film 12 by pushing up from the lower surface side of the adhesive film 12 with a pushing means.
- the peeling chip C is transported to the next process by the soldering device.
- the inspection efficiency is reduced due to the fact that the total inspection time takes a long time.
- the soldering device For example, when a small chip of about 1.5 mm square is soldered, a trouble easily occurs.
- Embodiments of the present invention provide a dicing method and an inspection method capable of improving the inspection efficiency of an integrated circuit chip, a substrate holding device and an adhesive film that can be used in these methods. You.
- a dicing method for a semiconductor substrate in which a plurality of integrated circuit elements are vertically and horizontally arranged.
- the dicing method comprises the following: at least the entire area of the back surface of the semiconductor substrate where the integrated circuit elements are arranged is formed in a plate-like form with at least one adhesive layer having adhesion. (Here, the adhesiveness of the adhesive layer is reduced by applying energy to the adhesive layer); by cutting the semiconductor substrate by cutting means Separate each integrated circuit element.
- a plurality is formed on a semiconductor substrate.
- a method for testing an integrated circuit chip comprises: arranging a back surface of a semiconductor substrate on which a plurality of integrated circuit elements are arranged on at least the entire area where the integrated circuit elements are arranged; The semiconductor substrate is cut by cutting means, and the plurality of integrated circuit elements are separated into individual integrated circuit elements.
- the cut semiconductor substrate is adhered on the jig by the adhesive layer); a semiconductor substrate adhered on the jig; and a professional substrate arranged in a space above the jig. Inspect the electrical characteristics of the integrated circuit device with the probe in contact with the electrode pad of the integrated circuit device.
- a substrate holding device for holding a semiconductor substrate on which a plurality of integrated circuit elements are arranged.
- the substrate holding device comprises: a frame having a larger size than the semiconductor substrate; an adhesive film spread on the frame; one surface of the adhesive film is adhered to the back surface of the semiconductor substrate; A plate-shaped jig (here, the other surface of the adhesive film adheres to the jig).
- Each of the semiconductor substrate dicing method, the integrated circuit chip inspection method, and the substrate holding device provided according to the first, second, and third aspects of the present application may be any one of the following (1)-(1 2): It is preferable to employ one. Further, it is preferable to employ a combination of a plurality of (1) and (1 2).
- the at least one adhesive layer has tackiness on both sides. It is a sticky fin.
- Both surfaces of the adhesive film are the first surface and the second surface, and the energy added to reduce the adhesiveness of the first surface and the second surface is the type and One of the sizes is different.
- the second surface of the adhesive film is on the jig side, the first surface is on the semiconductor substrate side, and the energy applied to the second surface to reduce the adhesiveness is It is less than the energy that can be applied to the surface 1 to reduce its stickiness.
- the adhesive layer has a laminated structure of a first adhesive film and a second adhesive film (where the first adhesive film is adhered to the semiconductor substrate side).
- the adhesiveness of the surface on the semiconductor substrate side is reduced by applying a predetermined energy
- the second adhesive film adheres to the jig side
- the adhesiveness of both surfaces is the predetermined adhesiveness. Is reduced by being able to apply energy that is different from the energy of
- the first adhesive film is spread inside a ring-shaped frame larger in size than the semiconductor substrate.
- the adhesiveness of one surface is reduced by heating, and the adhesiveness of the other surface is reduced by ultraviolet light.
- the adhesiveness of the surface on the semiconductor substrate side is reduced by heating, and the adhesiveness of the jig side is reduced by ultraviolet rays.
- the adhesive film the adhesiveness of both surfaces is reduced by the ultraviolet light, and the wavelength of the ultraviolet light at which the adhesiveness is reduced is different.
- the jig is made of a material that transmits ultraviolet light.
- the adhesiveness of both sides is reduced by heating, and the heating temperature for reducing the adhesiveness on the jig side is reduced by the heating temperature for reducing the adhesiveness on the semiconductor substrate side. Lower than heating temperature.
- the adhesive film adheres to the semiconductor substrate side, the first adhesive film whose surface on the semiconductor substrate side becomes less adhesive due to ultraviolet rays, and the adhesive film adheres to the jig side. Is a structure in which a second adhesive film, which is reduced by heating, is laminated.
- the adhesive film is spread inside a ring-shaped frame that is larger in size than the semiconductor substrate.
- the integrated circuit chip inspection method provided according to the second aspect of the present invention preferably further includes the following (13) or (14).
- the inspection method preferably comprises a combination of the following (13) and (14).
- the integrated circuit element After applying the second energy to the first side of the adhesive film, the integrated circuit element is peeled off from the adhesive film.
- the jig After inspecting the electrical characteristics of the integrated circuit chip, the jig is heated and the first adhesive film is peeled from the second adhesive film.
- the integrated circuit chip is peeled off from the first adhesive film by irradiating ultraviolet rays, and the steps are performed in this order.
- a method for inspecting an integrated circuit chip has the following (15)-(17) This is preferred. It is preferable to provide a combination of any one of the following (15)-(17).
- the back surface of the semiconductor substrate on which a plurality of integrated circuit elements are arranged is attracted to the chuck table.
- a position corresponding to the position of each integrated circuit element is arranged.
- the plurality of integrated circuit elements are separated into individual integrated circuit elements.
- the separated integrated circuit elements are checked. Adsorbed on the table;
- Figures 1A and IB show the wafer holding used in the method of the present invention. It is explanatory drawing which shows a tool.
- FIG. 2 is a process chart showing an embodiment of the method of the present invention.
- 3A and 3B are explanatory diagrams showing steps before cutting a wafer in the embodiment of the present invention.
- FIG. 4 is an explanatory diagram showing an aspect of cutting a wafer in the embodiment of the present invention.
- FIG. 5 is a plan view showing a state after the wafer held by the holder is cut and separated into integrated circuit chips.
- FIG. 6 is an explanatory diagram showing a state in which an integrated circuit chip on a wafer is inspected by an inspection apparatus in the embodiment of the present invention.
- FIG. 7 is an explanatory diagram showing a state in which the jig is heated to separate the adhesive film of the holder of the wafer from the jig in the embodiment of the present invention.
- FIG. 8 is an explanatory diagram showing a state in which the adhesive film is irradiated with ultraviolet rays in order to peel the wafer from the adhesive film of the holder in the embodiment of the present invention.
- FIG. 9 is an explanatory diagram showing a state in which the integrated circuit chip is peeled off from the adhesive film in the embodiment of the present invention.
- FIG. 10 is a side view showing a wafer holder used in another example of the embodiment of the present invention.
- FIG. 11 is a perspective view showing a chuck table used in another embodiment of the present invention.
- FIG. 12 is an explanatory view schematically showing an apparatus used in another embodiment of the present invention.
- FIG. 13 is an explanatory diagram showing a conventional dicing method. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 14 is an explanatory view schematically showing an apparatus used in another embodiment of the present invention.
- This embodiment includes an embodiment of the invention relating to a dicing method, an integrated circuit element, a substrate holding device, and an adhesive tape of the present invention.
- the holder 2 includes a frame (eg, a ring-shaped frame) 21 larger than the size of the ueno, and a first adhesive layer (eg, a ring-shaped frame) spread on the frame 21. , A first adhesive film) 22.
- the adhesive film can be the same size as the outer peripheral edge of the frame.
- the adhesiveness of one surface (first surface) 22 a is reduced by the application of energy (eg, ultraviolet light).
- the one side is attached to one side of the frame 21, and is extended inside the frame 21.
- a semiconductor substrate on which a number of integrated circuit elements are arranged vertically and horizontally for example, a silicon substrate (hereinafter, referred to as a silicon substrate).
- a silicon substrate hereinafter, referred to as a silicon substrate.
- FIG. 2 shows the overall flow of the inspection method according to the present embodiment.
- a plate-shaped jig 3 eg, a circular plate having a thickness of about 1 mm and a size substantially the same as the outer diameter of the frame 21
- the fourth surface 4b of the adhesive layer (eg, the second adhesive film having an adhesive property) 4 is attached (step S1).
- the tackiness of the second adhesive film 4 is reduced by applying energy (eg, heating). It is preferable to use a material for the jig 3 whose thermal expansion is close to or smaller than the thermal expansion of the silicon wafer.
- Invar aluminum nitride (A1N), silicon carbide (SiC), silicon, or the like can be used.
- AlN aluminum nitride
- SiC silicon carbide
- silicon or the like can be used. The reason is that when inspecting each chip, the chip may be left in a heated state. This is to reduce the positional deviation between the chips due to thermal expansion of the chips due to heating.
- the second surface 22 b of the first adhesive film 22 spread on the holder 2 having the wafer W is attached to the second adhesive film on the jig 3. Attach it to the third surface 4a of the film 4 (step S2).
- the first adhesive film 22 and the second adhesive film 4 form an adhesive layer for adhering the wafer W to the jig 3, and each of the films Is, for example, 100 to 200 ⁇ .
- the jig 3 having the wafer W is placed on the check table 5.
- the jig 3 is sucked by a suction pump 84 through a suction tube 83 and by a vacuum force formed in a suction hole 81, and is fixed to the chuck table 5 by suction.
- Rotating blade that is the cutting means (eg, cutting blade) 5 1 Travels along the scribe line 52 ′ on the wafer W, cuts the wafer W at the cutting line 52. Multiple integrated circuit chips C are separated into individual chips.
- the water supply means 50 can supply water to the cut portion.
- the cut line 52 can also cut into the first adhesive film 22 halfway.
- the chuck table 5 is configured to move in the X, ⁇ , and Z directions and rotate around a vertical axis. After aligning the plate 51 and the wafer W, the dicing can be performed by accurately moving the chuck table 5 with respect to the rotating plate 51 ( Step S3). Conversely, the blade 51 that rotates with respect to the chuck table 5 can be moved. Further, other means such as laser cutting means can be employed as the cutting means.
- FIG. 5 is a top view of the holder 2 with a wafer after dicing has been performed.
- the jig 3 is carried into an inspection device (eg, a prober) and placed on the chuck table 6 as shown in FIG.
- the jig 3 is sucked by the suction holes 81 and is fixed to the chuck table 6 by suction.
- a probe provided on the probe card 60 for example, a probe needle 61 is brought into contact with the electrode pad of the chip C.
- the tester 62 inspects the electrical characteristics of each chip C.
- the probe needles 61 are brought into contact with the plurality of electrode pads of the plurality of chips C collectively, and the electrical characteristics of the plurality of chips C can be inspected simultaneously (step S4).
- Tester 6 2 has multiple chips C Inspection pulses can be given to each of these in turn. “Inspection of the electrical characteristics of a plurality of chips C at the same time” means that a plurality of probe needles 61 simultaneously contact a plurality of electrode pads of a plurality of chips C. 6 It is not a problem that the timing delay is small while the test pulse is given sequentially to 1.
- the chuck table 6 is configured so that it can move in the X, Y, and Z directions and rotate around a vertical axis. After aligning the wafer W with respect to the probe needle 61 (the wafer W in this case is, to be precise, an assembly composed of the chip group C), for example, the chuck table 6 is accurately intermittently moved. As a result, the probe needle 61 and the electrode pad of the tip C sequentially come into contact with each other.
- the alignment can be performed, for example, by positioning the check table 6 so that the target mark on the wafer W is located at a predetermined position on the screen of the CCD camera.
- the jig 3 is transferred onto a heating means (eg, a heating plate) 7 shown in FIG. 7, and the jig 3 is, for example, about 120 ° C. Heated.
- This heating applies energy to the second adhesive film 4 and reduces its adhesiveness.
- the first adhesive film 22 can be easily peeled off from the second adhesive film 4 (step S5).
- Fig. 7 shows this state.
- the ultraviolet irradiation means 71 applies ultraviolet light to the second surface 22 b of the first adhesive film 22 of the holder 2 peeled off from the jig 3 as shown in FIG. Irradiate.
- First adhesive film 2 2 the adhesive force is reduced by applying the ultraviolet energy (step S6).
- each chip C on the first adhesive film 22 is peeled off by chip peeling means.
- a push-up means eg, a push-up pin
- the lower surface of the first adhesive film at the position corresponding to the chip C should be used.
- the chip C is peeled off from the first adhesive film 22 by pushing up.
- a soldering device (not shown) solders the peeled chip C and mounts it on a circuit board.
- a single piece may be pushed up and peeled and then handed, or a plurality of pieces may be simultaneously pushed up and peeled and then handed.
- the wafer W is cut while the first adhesive film 22 of the holder 2 is adhered to the jig 3.
- the adhesive film 22 is not deformed.
- Each position of the integrated circuit chip C is the same as before separation, and the relative position of each chip C does not deviate.
- the probe needle 62 and the electrode pad of the tip C are aligned in the inspection device.
- the electrical characteristics of the chip C can be inspected. As a result, inspection efficiency is increased, throughput is increased, and cost is reduced. In particular, the effect is extremely large if multiple chips C are inspected simultaneously.
- the present invention also relates to a substrate holding device and an adhesive film used for such a dicing method or an inspection method.
- the substrate holding device 100 corresponds to a structure including the frame 21, the first adhesive film 22, the second adhesive film 4, and the jig 3. I do.
- the first adhesive film 22 and the second adhesive film 4 are used as an adhesive layer for adhering the wafer W to the jig 3.
- One double-sided adhesive film may be used as the adhesive layer of the substrate holding device.
- Figure 10 shows such an example.
- the energy applied to reduce the adhesiveness of the first surface 23a and the energy applied to reduce the adhesiveness of the second surface 23b Can differ in at least one of their types and sizes. If the applied energy is heat, the temperature for reducing the tackiness of the first side and the temperature for reducing the tackiness of the second side can be different.
- the adhesive film whose adhesiveness on the first surface is reduced by ultraviolet light and whose adhesiveness on the second surface is reduced by heating 23 can be used.
- the holder 200 can adopt a configuration in which the wafer is attached to the first surface and the jig 3 is attached to the second surface.
- a frame 21 is provided as in the previous example.
- the second surface 23 b of the adhesive film 23 is attached onto the jig 3. 1st side 2 3 a of this adhesive film 23
- a configuration in which the wafer W is attached to the substrate can also be adopted.
- the substrate holding device having this configuration does not use the frame 21.
- the first surface 23a is subjected to an energy corresponding to the first surface 23a to reduce the tackiness of the first surface. Peel off each chip on the first surface of the adhesive film attached to jig 3 from the first surface. Various methods such as vacuum or manual work can be adopted for this peeling method. Heating can be used as a means to apply this energy. According to this example, only one kind of adhesive film is required, and the work of setting the wafer W on the jig 3 is simplified.
- the adhesive film a film in which the energy applied to the adhesive surface is different on both surfaces to reduce the adhesiveness is preferable.
- the energy applied to the adhesive surface to reduce the adhesiveness on the jig side is smaller than the energy applied to the adhesive surface to reduce the adhesiveness on the semiconductor substrate side.
- the step of peeling the chip from the adhesive film is performed by pushing up from the lower side of the adhesive film.
- Adhesive films of this type include, for example, those whose adhesiveness on one side is reduced by heating, the adhesiveness on the other side is reduced by ultraviolet light, and those on both sides.
- the UV wavelength is reduced on both sides to reduce its tackiness
- Different ones can be used.
- As an adhesive tape whose adhesive force is reduced by selecting a heating temperature a product name “Rival Alpha” manufactured by Nitto Denko Corporation is known, and it is irradiated with ultraviolet rays.
- Nippon Denko Co., Ltd. is a dicing tape with the trade name “SP Series” and “UC Series” manufactured by Furukawa Electric Co., Ltd. The brand name "Elep Holder” is known.
- the adhesiveness of both surfaces of the adhesive film is reduced by heating, and the heating temperature for reducing the adhesiveness of the first surface of the adhesive film on the jig side is increased by the second temperature on the semiconductor substrate side. It is also possible to use a material that is lower than the heating temperature to reduce the stickiness of the surface. In this case, the heating temperature of the heating means for heating the adhesive film (for example, a heating plate or a lighting fixture for heating) may be changed.
- a jig that transmits ultraviolet rays may be used.
- the adhesive film includes a laminate of a plurality of adhesive films.
- the adhesive layer of the present invention can be used for adhesive films, adhesives and the like.
- the chuck table 8 shown in FIGS. 11 and 12 can be used as a dicing technique of the present invention.
- the chuck table 8 has suction holes 81 formed at positions corresponding to a plurality of integrated circuit elements, respectively. You. Further, a groove 82 formed at a position corresponding to a scribe line between the integrated circuit elements can be provided.
- the wafer W is placed on the chuck table 8 and sucked, and then the blade 51 cuts the wafer W along the scribe line (that is, along the groove 82). Dicing may be performed. At this time, the blade 51 can be cut into the groove 82.
- reference numeral 83 denotes a suction path
- reference numeral 84 denotes a suction pump.
- the chuck table 8 in which the wafer W is diced and a plurality of chips are separated from each other is moved to the inspection area. In the inspection area, the tester inspects the electrical characteristics of the chip via the probe needle 61.
- the adhesive film is formed on the back side of the wafer W by the adhesive film 22 like the first adhesive film 22.
- a single-sided adhesive film which can be reduced by ultraviolet light or heat may be attached to the film, and the film may be adsorbed on a chuck table. In this case, since the adhesive film is cut by the plate 51, the groove 82 is not always necessary.
- the relative position of the integrated circuit chip does not shift at the time of cutting. Thereafter, since the electrical characteristics of the integrated circuit chip can be detected by the inspection device while the chip is mounted on the jig, inspection efficiency is high.
- the substrate holding device that holds the substrate that is carried into the inspection device after dicing has a small and thin structure. Inspection equipment for inspecting the same board can be reused with only minor changes.
- the adhesive film whose adhesiveness on both sides is reduced by applying energy is selectively used between the adhesive state and the non-adhesive state so as to be adopted in the embodiment and to improve the dicing and inspection work. This can be adopted for various useful applications.
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020037017144A KR100691034B1 (ko) | 2002-03-04 | 2003-02-27 | 다이싱 방법, 집적 회로 소자의 검사 방법, 기판 유지장치 및 점착 필름 |
US10/492,530 US8101436B2 (en) | 2002-03-04 | 2003-02-27 | Dicing method, method of inspecting integrated circuit element, substrate holding device, and pressure sensitive adhesive film |
EP03743517A EP1484791A4 (en) | 2002-03-04 | 2003-02-27 | DIE CUTTING METHOD, INTEGRATED CIRCUIT ELEMENT INSPECTION METHOD, SUBSTRATE SUPPORT DEVICE, AND SELF-ADHESIVE FILM |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002057772A JP4137471B2 (ja) | 2002-03-04 | 2002-03-04 | ダイシング方法、集積回路チップの検査方法及び基板保持装置 |
JP2002/57772 | 2002-03-04 |
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PCT/JP2003/002236 WO2003075331A1 (en) | 2002-03-04 | 2003-02-27 | Dicing method, method of inspecting integrated circuit element, substrate holding device, and pressure sensitive adhesive film |
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US (1) | US8101436B2 (ja) |
EP (1) | EP1484791A4 (ja) |
JP (1) | JP4137471B2 (ja) |
KR (1) | KR100691034B1 (ja) |
CN (1) | CN1327491C (ja) |
TW (1) | TW200403736A (ja) |
WO (1) | WO2003075331A1 (ja) |
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- 2003-02-27 KR KR1020037017144A patent/KR100691034B1/ko not_active IP Right Cessation
- 2003-02-27 WO PCT/JP2003/002236 patent/WO2003075331A1/ja active Application Filing
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Also Published As
Publication number | Publication date |
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JP2003258067A (ja) | 2003-09-12 |
JP4137471B2 (ja) | 2008-08-20 |
EP1484791A4 (en) | 2008-03-19 |
US20050003635A1 (en) | 2005-01-06 |
KR20040013001A (ko) | 2004-02-11 |
CN1327491C (zh) | 2007-07-18 |
CN1533594A (zh) | 2004-09-29 |
EP1484791A1 (en) | 2004-12-08 |
KR100691034B1 (ko) | 2007-03-09 |
TWI309062B (ja) | 2009-04-21 |
US8101436B2 (en) | 2012-01-24 |
TW200403736A (en) | 2004-03-01 |
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