KR101761725B1 - Processing Apparatus for Semiconductor Process's By-producr - Google Patents

Processing Apparatus for Semiconductor Process's By-producr Download PDF

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Publication number
KR101761725B1
KR101761725B1 KR1020150150334A KR20150150334A KR101761725B1 KR 101761725 B1 KR101761725 B1 KR 101761725B1 KR 1020150150334 A KR1020150150334 A KR 1020150150334A KR 20150150334 A KR20150150334 A KR 20150150334A KR 101761725 B1 KR101761725 B1 KR 101761725B1
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South Korea
Prior art keywords
heating
unit
cooling
process gas
main body
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KR1020150150334A
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Korean (ko)
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KR20170049225A (en
Inventor
김병규
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(주)토스엔지니어링
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Publication of KR20170049225A publication Critical patent/KR20170049225A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/324Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67Apparatus 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
    • H01L21/67005Apparatus not specifically provided for elsewhere
    • H01L21/67011Apparatus for manufacture or treatment
    • H01L21/67098Apparatus for thermal treatment
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/50Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
    • H01L21/60Attaching or detaching leads or other conductive members, to be used for carrying current to or from the device in operation
    • H01L2021/60007Attaching or detaching leads or other conductive members, to be used for carrying current to or from the device in operation involving a soldering or an alloying process
    • H01L2021/60022Attaching or detaching leads or other conductive members, to be used for carrying current to or from the device in operation involving a soldering or an alloying process using bump connectors, e.g. for flip chip mounting
    • H01L2021/60097Applying energy, e.g. for the soldering or alloying process
    • H01L2021/60172Applying energy, e.g. for the soldering or alloying process using static pressure
    • H01L2021/60187Isostatic pressure, e.g. degassing using vacuum or pressurised liquid

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Chemical Vapour Deposition (AREA)

Abstract

An apparatus for processing semiconductor process by-products is disclosed. An apparatus for processing semiconductor process byproducts according to the present invention is characterized by comprising: a main body in which an inlet for introducing a process gas is formed on an upper portion, a space is formed in the upper portion, A first heating unit formed on an inner upper side of the main body and configured to communicate with the inlet port to heat and transfer the introduced process gas; A cooling unit which is formed inside the main body and includes a collecting plate for cooling the process gas discharged from the first heating unit to fix the powder and a cooling tube surrounding the collecting plate; A second heating unit formed at an inner lower portion of the main body and heating the process gas formed outside the outlet, A heat source supply unit for supplying a heat source to the first and second heating units; And a cooling water supply unit for supplying cooling water to the cooling unit.
According to the present invention, a heating member having an enhanced heating function is provided on the inflow side to uniformly distribute the inflow powder gas in a state of being sufficiently heated to a high temperature and to be transferred to the cooler unit side. Especially, By providing the heating member, it is possible to increase the activity of the gas so that the powder mixed in a small amount into the discharged gas is not fixed to the discharge line, thereby improving the powder collecting efficiency and significantly reducing the occurrence rate of the discharge line failure.

Description

TECHNICAL FIELD [0001] The present invention relates to a processing apparatus for semiconductor processing by-

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an apparatus for treating semiconductor process byproducts, and more particularly, To a semiconductor processing by-product processing apparatus capable of significantly lowering the failure occurrence rate.

Generally, a manufacturing process for manufacturing a semiconductor device is performed at a high temperature using various process gases in a process chamber in which a specific process is performed. During the process, various reaction materials and unreacted materials not participating in the process Is produced as a by-product of the manufacturing process.

Process by-products often contain large quantities of toxic substances harmful to the environment. (SiH 4 ), ammonia (NH 3 ), nitrous oxide (N 2 O), nitrogen monoxide (NO 3 ), and nitric acid (NO 3 ) used in the unit processes of the semiconductor manufacturing process such as chemical vapor deposition process, ion implantation process, ), Phosphoric acid (PH 3 ), and ascorbic acid (AsH) cause various environmental pollution due to toxicity to human body, corrosiveness to metal, and flammability.

Accordingly, the reaction by-products are discharged from the process chamber by a vacuum pump, filtered by a purifying system such as a scrubber, and discharged into the atmosphere.

The reaction by-products discharged through the vacuum pump are connected to the purification system through an exhaust line.

At this time, the exhaust line is arranged in various shapes depending on the facility environment such as foot print of the semiconductor manufacturing facility or required cleanliness. At this time, if the vacuum pump and the purifying system are physically spaced apart and satisfy various spatial constraints, the exhaust line is broken by the plurality of connecting portions and the flow path of the reaction byproduct is changed.

Specifically, a wafer is fixed in a chamber in a vacuum state, and a chamber is formed in an appropriate working environment such as a low pressure, atmospheric pressure, or plasma, and then a source gas is introduced into the chamber, So as to be deposited. The byproducts generated after the deposition are discharged to the outside through the exhaust line by using a vacuum pump connected to the vacuum pipe.

A vacuum pump 300 is installed at one side of a vacuum pipe 200 connected to the chamber 100 to generate a constant vacuum pressure and a primary screw burr 400 and a secondary screw burr 500 are installed, The process gas was purified in turn and then discharged to the atmosphere.

Domestic Application 10-2012-0012023 discloses "an apparatus and a method for treating a gas powder for a semiconductor processing system ".

In the prior art, a reaction gas inlet line 113; A heating block 117 provided in the reaction chamber 111 for raising the temperature in the reaction chamber 111; And a cooling block 119 in which WF 6 and powder formed in response to the reaction of the reaction gas are collected in the reaction chamber 111.

In the conventional technology, however, even if the powder is collected in the cooling block, a small amount of the powder is left to be discharged, and the powder contained in the discharged gas is adhered to the inner wall of the discharge line or the valve provided at the discharge port, there was.

SUMMARY OF THE INVENTION The present invention is conceived to solve the problems of the prior art described above, and it is an object of the present invention to provide a heating member having an enhanced heating function on the inflow side to uniformly distribute the inflow powder gas in a state of being sufficiently heated to a high temperature, The auxiliary heating member is provided on the outflow side so as to have a reheating function so that the activity of the gas can be increased so that the powder mixed in a small amount into the discharged gas is not fixed to the discharge line, Which is capable of significantly reducing the failure rate of the semiconductor process by-products.

According to an aspect of the present invention, there is provided a plasma processing apparatus, comprising: a main body having an inlet port through which a process gas flows, an inner space formed therein, A first heating unit formed on an inner upper side of the main body and configured to communicate with the inlet port to heat and transfer the introduced process gas; A cooling unit which is formed inside the main body and includes a collecting plate for cooling the process gas discharged from the first heating unit to fix the powder and a cooling tube surrounding the collecting plate; A second heating unit formed at an inner lower portion of the main body and heating the process gas formed outside the outlet, A heat source supply unit for supplying a heat source to the first and second heating units; And a cooling water supply unit for supplying cooling water to the cooling unit.

Wherein the first heating unit comprises: a housing having a coupling hole formed therein for coupling the inlet port, a space formed in the upper plate, and a discharge port formed on at least one side surface of the housing; And a heating tube formed inside the housing and corresponding to the coupling hole and formed in a coil shape.

And a heat dissipation member having a plurality of metal thin plates disposed at the discharge port and having slits formed between the thin metal plates to allow a process gas to pass therethrough.

And the second heating part includes a coil-shaped heating tube wound around the outer circumferential surface of the outlet and supplied with a heating source.

According to the present invention, there is provided a heating member having an enhanced heating function on the inflow side so that the inflow powder gas can be uniformly distributed in a state of being sufficiently heated to a high temperature and transferred to the cooler unit side, It is possible to increase the activity of the gas so that the powder mixed in a small amount into the discharged gas does not adhere to the discharge line, thereby improving the powder collecting efficiency and significantly reducing the failure occurrence rate of the discharge line .

1 is a perspective view showing a processing apparatus of a semiconductor process by-product according to the present invention,
2 is a cross-sectional perspective view showing a processing apparatus of a semiconductor process by-product according to the present invention,
3 is an exploded perspective view showing a processing apparatus of a semiconductor process by-product according to the present invention,
4 is an enlarged front view of a main portion of a processing apparatus for semiconductor processing by-products according to the present invention,
5 is a graph showing gas distribution in the processing apparatus of semiconductor processing by-products according to the present invention,
6 is a view showing distribution of powder particles in a processing apparatus of a semiconductor process by-product according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. It does not mean anything.

In addition, the sizes and shapes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation, and the terms defined specifically in consideration of the configuration and operation of the present invention may vary depending on the intention or custom of the user, operator It should be noted that the definitions of these terms should be made on the basis of the contents throughout this specification.

2 is a cross-sectional perspective view of an apparatus for processing a byproduct of a semiconductor process according to the present invention; and Fig. 3 is a cross-sectional view of a semiconductor processing by-product according to the present invention. Fig. Fig. 4 is an enlarged front view of a main portion of a processing apparatus for a semiconductor processing by-product according to the present invention. Fig.

As shown in FIGS. 1 to 4, an apparatus for processing semiconductor process byproducts according to the present invention includes an inlet 22 through which a process gas flows, an upper space formed therein, and an outlet 24 A main body 2 formed with a plurality of projections; A first heating unit 3 formed on the inner upper side of the main body 2 and configured to communicate with the inlet 22 to heat and transfer the introduced process gas; A cooling tube 44 which is formed inside the main body 2 and surrounds the collecting plate 42 to cool the process gas discharged from the first heating unit 3 so that the powder is fixed; A cooling unit 4 composed of a cooling unit 4; A second heating unit 5 formed on an inner lower side of the main body 2 and heating the process gas formed on the outside of the outlet 24 to be discharged; A heat source supply unit (not shown) for supplying a heat source to the first and second heating units 3 and 5; And a cooling water supply unit (not shown) for supplying cooling water to the cooling unit.

The main body 2 is formed by assembling a plurality of metal plates into a box shape using fastening means such as bolt fastening and welding, and a space is formed therein. The upper plate and the lower plate have an inlet 22 and an outlet 24, respectively .

The inlet 22 and the outlet 24 are cylindrical tubes and flanges are formed at the ends. A cooling water supply pipe 25 and a cooling water return pipe 26 for supplying and recovering cooling water are formed on one side of the upper plate and a cooling water supply pipe 25 and a cooling water return pipe 26 are connected to the cooling water supply unit Not shown).

A supply pipe 28 for supplying a heat source to each of the first and second heating units 3 and 5 is formed on the other side of the upper plate of the main body 2 and the supply pipe 28 is connected to a heat source supply unit (not shown).

The process gas introduced through the inlet 22 is at a high temperature of 300 to 500 ° C. and impurity powder is contained therein. The process gas is heated to a higher temperature to activate the gas, and is then transferred to the lower cooling unit 4 .

The cooling section 4 cools the process gas discharged from the first heating section 3 and includes a collecting plate 42 for fixing the powder and a cooling tube 44 surrounding the collecting plate 42 .

The collecting plate 42 is formed with a plurality of ventilation holes 422, and is formed into a flat plate shape and bent at one end to form a bent portion 424.

A plurality of such collecting plates 42 are assembled to form a substantially rectangular box shape.

On the other hand, the process gas introduced through the inlet 22 is heated and dispersed by the first heating section 3.

The first heating unit (3)

A housing (32) having a coupling hole (320) to which the inlet (22) is coupled and having a space formed therein and having an outlet (322) at least at one side thereof;

And a heating tube 34 formed in the inside of the housing 32 and corresponding to the coupling hole 320 and formed in a coil shape.

A plurality of metal thin plates 341 are disposed in the discharge port 322 and a heat dissipating member 35 having a slit 343 formed between the metal thin plates 341 to allow a process gas to pass therethrough is formed.

Meanwhile, according to the embodiment of the present invention, the second heating portion 5 may be formed in the outlet 24 to re-heat the exhaust gas.

The second heating portion 5 is wound around the outer peripheral surface of the outlet 24 and is formed of a heating tube of a coil shape to which a heating source is supplied.

In the cooling unit 4, the process gas is cooled to about 60 to 70 DEG C while collecting the powder.

The cooled process gas is re-heated in the second heating unit 5 before being discharged.

Preferably, the heating temperature of the second heating unit 5 is controlled so as to be constantly maintained. Specifically, it is preferably maintained at 100 ° C, and this can be maintained at a uniform temperature at all times by the operation of the control unit.

Accordingly, the powder is activated at a temperature of at least 80 to 90 DEG C by discharging the process gas remaining in a small amount after the powder is collected in the cooling section 4, thereby activating the gas so that a small amount of the powder remains in the discharge pipe (not shown) Clogging that is stuck can be prevented.

Hereinafter, the operation of the present invention will be described.

As shown in Fig. 5, the process gas (the line which is seen in sky blue in the drawing tracks the flow of the process gas) is drawn into the first heating section 3 and then dispersed to both sides to enter the cooling section 4 do.

The powder contained in the process gas is fixed to the collecting plate 42 while being cooled at a low temperature in the cooling unit 4 and removed.

As shown in Fig. 6, the powder is mainly collected in the outer periphery (in the drawing, the pie is seen as a yellow dot).

After the powder is removed, the process gas is discharged to the lower outlet 24, reheated by the second heating unit 5 provided in the outlet 24, and discharged.

Since the powder contained in the process gas discharged to the outlet 24 is a small amount, there is a possibility that the powder is adhered to the outlet 24 and the outlet pipe and valve connected to the outlet 24. Therefore, the gas is activated by heating in the second heating unit 5, .

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the invention, It is obvious that the claims fall within the scope of the claims.

2: Main body 3: First heating part
4: cooling section 5: second heating section
22: inlet 24: outlet
32: Housing 34: Heating tube
35: Exhausting member 42:
44: cooling tube

Claims (5)

A main body in which an inlet for introducing a process gas is formed at an upper portion thereof, a space is formed in the interior thereof, and an outlet is formed at a lower portion thereof;
A first heating unit formed on an inner upper side of the main body and configured to communicate with the inlet port to heat and transfer the introduced process gas;
A cooling unit which is formed inside the main body and includes a collecting plate for cooling the process gas discharged from the first heating unit to fix the powder and a cooling tube surrounding the collecting plate;
A second heating unit formed at an inner lower portion of the main body and heating the process gas formed outside the outlet,
A heat source supply unit for supplying a heat source to the first and second heating units;
And a cooling water supply unit for supplying cooling water to the cooling unit,
The first heating unit
A housing in which a coupling hole to which an inlet port is coupled is formed in an upper plate, a space is formed in the upper plate, and an outlet is formed at least at one side of the housing;
And a heating tube formed inside the housing and corresponding to the coupling hole,
In the discharge port,
And a heat dissipating member having a plurality of metal thin plates and slits formed between the thin metal plates to allow the process gas to pass therethrough,
Wherein the collecting plate of the cooling section comprises:
A plurality of air vents are formed, a flat plate-like shape is formed, and one end is bent to form a bent portion,
The second heating unit
And a heating tube which is wound around an outer circumferential surface of the outlet and is supplied with a heating source,
Wherein the second heating unit reheats the process gas cooled by the cooling unit to activate the gas so that the powder is not adhered to the discharge pipe and the valve flow.


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KR1020150150334A 2015-10-28 2015-10-28 Processing Apparatus for Semiconductor Process's By-producr KR101761725B1 (en)

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KR101761725B1 true KR101761725B1 (en) 2017-08-04

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200123995A (en) * 2019-04-23 2020-11-02 유니셈(주) Plasma scrubber apparatus
KR102279724B1 (en) 2020-02-28 2021-07-21 이스텍 주식회사 Piping blockage reduction device using plasma
US11462422B2 (en) 2019-10-30 2022-10-04 Milaebo Co., Ltd. Apparatus having cooling line for collecting by-product in semiconductor manufacturing process
US11562943B2 (en) 2019-10-31 2023-01-24 Milaebo Co., Ltd. Apparatus for collecting by-product in semiconductor manufacturing process

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102209662B1 (en) * 2019-07-19 2021-02-01 (주)제이솔루션 Trapping apparatus for cobalt-carbon gas
CN112546798B (en) * 2019-09-25 2023-01-13 未来宝株式会社 Semiconductor engineering reaction byproduct collecting device with cooling flow path
CN112546799B (en) * 2019-09-25 2023-01-17 未来宝株式会社 Semiconductor engineering reaction byproduct collecting device with cooling flow path

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100717837B1 (en) * 2006-11-21 2007-05-14 주식회사 이노시스템 Apparatus for collecting chemical compounds from semiconductor processing
KR100768882B1 (en) * 2007-02-12 2007-10-22 주식회사 엠아이 Apparatus for trapping semiconductor residual product

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100717837B1 (en) * 2006-11-21 2007-05-14 주식회사 이노시스템 Apparatus for collecting chemical compounds from semiconductor processing
KR100768882B1 (en) * 2007-02-12 2007-10-22 주식회사 엠아이 Apparatus for trapping semiconductor residual product

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200123995A (en) * 2019-04-23 2020-11-02 유니셈(주) Plasma scrubber apparatus
KR102193416B1 (en) 2019-04-23 2020-12-21 유니셈 주식회사 Plasma scrubber apparatus
US11462422B2 (en) 2019-10-30 2022-10-04 Milaebo Co., Ltd. Apparatus having cooling line for collecting by-product in semiconductor manufacturing process
US11562943B2 (en) 2019-10-31 2023-01-24 Milaebo Co., Ltd. Apparatus for collecting by-product in semiconductor manufacturing process
KR102279724B1 (en) 2020-02-28 2021-07-21 이스텍 주식회사 Piping blockage reduction device using plasma

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