{"id":19850,"date":"2024-04-15T05:45:03","date_gmt":"2024-04-15T05:45:03","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=19850"},"modified":"2024-04-15T05:45:03","modified_gmt":"2024-04-15T05:45:03","slug":"to-grow-the-polysilicon-gate-layer-which-of-the-following-chemical-is-used-for-chemical-vapour-deposition-a-silicon-nitride-si3n4-b-silane-gas-sih4-c-silicon-oxide-d-none-of-the-mentioned","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/to-grow-the-polysilicon-gate-layer-which-of-the-following-chemical-is-used-for-chemical-vapour-deposition-a-silicon-nitride-si3n4-b-silane-gas-sih4-c-silicon-oxide-d-none-of-the-mentioned\/","title":{"rendered":"To grow the polysilicon gate layer, which of the following chemical is used for chemical vapour deposition? A. Silicon Nitride (Si3N4) B. Silane gas (SiH4) C. Silicon oxide D. None of the mentioned"},"content":{"rendered":"<p>\r\n    <!-- Check if it's an AMP page -->\r\n            <!-- Non-AMP version -->\r\n        <div class=\"mcq-container\" data-quiz-id=\"quizState_6a9918cf0bda0\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    Silicon Nitride (Si3N4)                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"true\">\r\n                    Silane gas (SiH4)                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    Silicon oxide                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    None of the mentioned                <\/div>\r\n                            \r\n            <!-- Feedback messages for non-AMP -->\r\n            <div class=\"feedback\" data-feedback=\"wrong\">Answer is Right!<\/div>\r\n            <div class=\"feedback\" data-feedback=\"right\">Answer is Wrong!<\/div>\r\n        <\/div>\r\n\r\n        <script>\r\n        document.addEventListener('DOMContentLoaded', function () {\r\n            var containers = document.querySelectorAll('.mcq-container');\r\n\r\n            containers.forEach(function(container) {\r\n                var options = container.querySelectorAll('.option');\r\n                var feedbackSelect = container.querySelector('[data-feedback=\"select\"]');\r\n                var feedbackWrong = container.querySelector('[data-feedback=\"wrong\"]');\r\n                var feedbackRight = container.querySelector('[data-feedback=\"right\"]');\r\n\r\n                options.forEach(function(option) {\r\n                    option.addEventListener('click', function() {\r\n                        var selectedOption = option.getAttribute('data-option-key');\r\n                        var isCorrect = option.getAttribute('data-is-correct') === 'true';\r\n\r\n                        \/\/ Remove previous selections\r\n                        options.forEach(function(opt) {\r\n                            opt.classList.remove('correct', 'incorrect');\r\n                        });\r\n\r\n                        \/\/ Add the correct\/incorrect class\r\n                        if (isCorrect) {\r\n                            option.classList.add('correct');\r\n                            feedbackRight.hidden = false;\r\n                            feedbackWrong.hidden = true;\r\n                        } else {\r\n                            option.classList.add('incorrect');\r\n                            feedbackRight.hidden = true;\r\n                            feedbackWrong.hidden = false;\r\n                        }\r\n\r\n                        \/\/ Hide select feedback\r\n                        feedbackSelect.hidden = true;\r\n                    });\r\n                });\r\n            });\r\n        });\r\n        <\/script>\r\n    \r\n    <!--more--><\/p>\n<p>The correct answer is B. Silane gas (SiH4).<\/p>\n<p>Silane gas is a chemical compound with the formula SiH4. It is a colorless, flammable gas that is used in the semiconductor industry to deposit polysilicon layers on <div class=\"youtube-subscribe-container\">\r\n        <a href=\"https:\/\/www.youtube.com\/channel\/UCNHT8lW-JmLC68rjBfZhdkg?sub_confirmation=1\" target=\"_blank\" class=\"youtube-subscribe-button\">\r\n            <span class=\"youtube-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\">\r\n                    <path d=\"M549.7 124.1c-6.3-23.7-24.8-42.3-48.3-48.6C458.8 64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n       <div class=\"telegram-channel-container\">\r\n        <a href=\"https:\/\/t.me\/pscnotes2025\" target=\"_blank\" class=\"telegram-channel-button\">\r\n            <span class=\"telegram-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 496 512\">\r\n                    <path fill=\"white\" d=\"M248,8C111,8,0,119,0,256s111,248,248,248s248-111,248-248S385,8,248,8z M362,177L320,367c-3,14-10,18-20,14l-56-41l-27,26 c-3,3-5,5-10,5l4-63L323,196c5-5-1-7-8-3l-98,62l-42-13c-9-3-10-9,2-14l162-63C351,160,365,164,362,177z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Join Our Telegram Channel\r\n        <\/a>\r\n    <\/div>      Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> silicon wafers. Polysilicon is a type of silicon that is used to make the gates of transistors.<\/p>\n<p>Silicon nitride (Si3N4) is a ceramic material that is used in the semiconductor industry as a passivation layer and as a diffusion barrier. It is a white, non-flammable solid that is not soluble in water.<\/p>\n<p>Silicon oxide (SiO2) is a glassy material that is used in the semiconductor industry as an insulator and as a diffusion barrier. It is a white, non-flammable solid that is soluble in water.<\/p>\n<p>None of the mentioned is not the correct answer because silane gas (SiH4) is the chemical that is used for chemical vapor deposition to grow the polysilicon gate layer.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Subscribe on YouTube<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[687],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>To grow the polysilicon gate layer, which of the following chemical is used for chemical vapour deposition? A. Silicon Nitride (Si3N4) B. Silane gas (SiH4) C. Silicon oxide D. 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